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Customer Reviews for RIDGID 2-1/2 in. Diffuser Accessory for RIDGID Wet/Dry Shop Vacuums

Internet #100037235

Model #VT2525

Store SKU #335112

  • Diffuses airstream to reduce blowing dust from the exhaust
  • Fits most vacuums with a blowing port
  • Vacuuming suction is not affected with use of the diffuser

Customer Reviews

  • 3.9
    out of 1,315 reviews
  • 68% recommend this product
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Showing 1-30 of 1,315 reviews
Not suitable for sound attenuation
I just purchased it and will be returning it to the store. This product has minimal to no impact on reducing the noise level. Noise level exceeding 80 dBA is damaging to hearing. The Rigid vacuum 16/60 without attachments exceeds 85dBA.
by
Response from Emerson Tool CompanyAug 16, 2023
Hello AJ123, Thank you for the feedback. The VT2525 diffuser is designed to disperse the airflow of the air coming out of the exhaust. Because of the way the product is designed, there is also a small reduction in noise level and it also can improve the pitch of the exhaust noise on most vacs. If you have questions or concerns, you may call our Customer Service at 1-800-474-3443 from Monday to Friday between 8:00 AM to 5:00 PM Central Time and we'll be glad to assist you. Thanks, RIDGID
    False labeling
    The store shelf says "muffler", the label on packaging says "noise muffler". This e-mail describes it as a "diffuser" . It does diffuse the exhaust so your shop vac doesn't blow things around behind you. It does absolutely nothing to reduce noise which is what a "muffler" is supposed to do. I use my vac on woodworking power tools so it runs constantly and adds to the noise of the tools. It works great as a "diffuser" but it does not serve the purpose it's advertised to do. I still have a loud shop vac.
    by
    Response from RIDGIDApr 10, 2023
    Hello RIDGID MAN, Thank you for the feedback and we're sorry to have learned about your disappointment. The VT2525 muffler/diffuser is designed to disperse the airflow of the air coming out of the exhaust. Because of the way the product is designed, there is also a small reduction in noise level and it also can improve the pitch of the exhaust noise on most vacs. If you have questions or concerns, you may call our Customer Service at 1-800-474-3443 from Monday to Friday between 8:00 AM to 5:00 PM Central Time and we'll be glad to assist you. Thanks, RIDGID Ridgid
    • Verified Purchase
    3 found this review helpful
    Wanted something to make a little less noise I work in occupied houses so this thing helped
    Quiet down the noise maker
    by
    • Verified Purchase
    • Recommended
    Poor engineering
    Home Depot ought to refund every customer who purchased this, along with any Rigid Wet/Dry vac due to the terrible engineering and design of the exhaust outlet. Absolutely unacceptable.
    by
    Response from RIDGIDOct 18, 2022
    Hello Clark, Thanks for writing a review and we're sorry to have learned about your disappointment. We're interested to know more about this issue. You may call our Customer Service at 1-800-474-3443 from Monday to Friday between 8:00 AM to 5:00 PM Central Time or send us an email at info@ridgidvacs.com and we'll be glad to assist you. Note that if you're unhappy with your purchase, you may return the product to Home Depot in accordance with their return policy. Thanks, RIDGID Ridgid
      1 found this review helpful
      100% worth buying
      This does a great job at toning down the raw air sound.
      by
      • Verified Purchase
      • Recommended
      2 found this review helpful
      Poor Manufacturing Quality
      Tried to decide if this RIDGID Diffuser/Muffler that looks like a piece of plastic tubing with some foam stuffed in it was worth paying $13.67 + tax. The product description says "DURABLE BUILD Made from rugged plastic and dense foam. High Impact Material-Made with durable materials that resist dents or damage from everyday use." So I thought maybe it's worth it, so I bought it. Took the shrink wrap off and was disappointed to see a couple of holes or breaks in the plastic that look like defects in manufacturing. I don't know if this will affect the performance of the diffuser, but I wonder if the plastic will break even more down the line as I start to use it and air is forced through it on a constant basis. This shouldn't have passed quality control. Judging from what I got, it doesn't look like it's of durable build, rugged plastic, or able to resist dents/damage. I went back to HD to look at other RIDGID diffusers in stock to see if they had the same holes. None had the holes that mine has. I would return to HD for an exchange, but I lost the receipt.
      by
        3 found this review helpful
        It works
        This reduces the sound of the exhaust air and diffuses it so it doesn’t blow things around behind the vac. To set your expectations, connect the vac hose to the exhaust with no attachment. You should notice a significant decrease in flow noise. This is about what the diffuser will do for sound muffling. It can’t do anything for the motor noise. I have the 4 gallon vac and I don’t have a problem with accessory storage. I put the tubes on the opposite side of the caddy with the utility nozzle on one, the crevice tool in the next slot, and the dust brush under the diffuser.
        by
          • Recommended
          9 found this review helpful
          Poor Design
          As another reviewer mentioned, whoever designed the shop vacuum with the pipe caddy where it is, made it so you cannot attach the muffler at utilize the caddy at the same time. Shocked that this oversight made it past the assembly line. I own a construction co. and have tried all other vacs but Rigid is my preferred vac. The muffler is a must for me, so this is no small problem. Just bought my third Rigid vac with the previous vacs lasting over 10 yrs. I guess I’m stuck now trying to modify the vac by relocating the caddie. I’m also disappointed with Rigids response to the previous review about this issue. Instead of stating the obvious that the muffler and caddie were poorly designed, they just brush it off as “well... other reviewers are happy with it”
          by
          Response from RIDGIDMay 10, 2021
          Hello AcousticPro,

          Thank you for your time in writing us a review and we're terribly sorry to hear about this. May we know what vacuum model you are using this particular accessory with? Please call our Customer Service at 1-800-474-3443 from Monday to Friday between 8:00 AM to 5:00 PM Central Time or send us an email at info@ridgidvacs.com with this information so we may know how can we be of help to your concern.

          Thanks,
          RIDGID Wet/Dry Vac Customer Support Ridgid
            10 found this review helpful
            Attachments are not universal with Rigid
            I have a model WD-4070 and need a carpet attachment with rolling wheels but the one you sell is not compatible with my model. How can this be? Your accessories need to be universal.
            by
            Response from RIDGID Wet/Dry Vac Customer SupportMay 5, 2021
            Hello RIDGID Customer, Thanks for writing a review. We have the Carpet and Hard Floor Nozzle Accessory (VT2530). However, you will need to have an adapter to make it work with your WD4070 and that is included on the 3-piece adapter set (VT1755). You may get this through Home Depot stores or online. If you need guidane on how to connect these, you may contact our Customer Service at 1-800-474-3443 from Monday to Friday between 8:00 AM to 5:00 PM Central Time or send us an email at info@ridgidvacs.com and we'll be glad to assist you. Thanks, RIDGID Wet/Dry Vac Customer Support
              Blocks Caddie Access
              Incredibly poor design and product management oversight to miss this. You can’t remove center mounted attachments in the rear caddie when the optional diffuser (Ridgid model VT2525) is attached on the exhaust port. No one at Ridgid thoroughly tested the redesigned product, they left that to the customers.
              by
              Response from RIDGIDFeb 15, 2021
              Hello Dutch, Thank you for your time in writing a review and we are sorry to learn about your disappointment with the product. Most customers are satisfied with our vacuum accessories and design of the vacuum, but we understand your feedback and suggestions and we are always looking for ways to improve our products, and a customer feedback is by far our most valuable source of improvement ideas. If you're unhappy with your purchase, you may return this to Home Depot store within 180-days upon purchase. For any other concerns, please call our Customer Service at 1-800-474-3443 from Monday to Friday between 8:00 AM to 5:00 PM Central Time or send us an email at info@ridgidvacs.com and we'll be glad to assist you. Thanks, RIDGID Wet/Dry Vac Customer Support Ridgid
                7 found this review helpful
                Diffuser for Ridgid vac is the size of a large flashlight. I'm hoping it muffles the sound and fi...
                Diffuser for Ridgid vac is the size of a large flashlight. I'm hoping it muffles the sound and filters loose dust.
                by
                  • Recommended
                  1 found this review helpful
                  Direct comparison with a Real Time Analyzer
                  I originally bought this to diffuse the exhaust (had one on an old “screamer” shop vac and it didnt do much for noise) and keep it from blowing dust all over the shop but after seeing in reviews here (and experiencing) different results regarding its use as a muffler I did a little testing with a Real Time Analyzer. Testing was done at hose length from the vacuum which was about 7 ft away. My vacuum is an already pretty quiet as far as shop vacs go Dewalt DXV10P with the 2 stage motor. Based on my ears only at first I definitely heard a reduction in sound but I also noticed a change in frequency which was backed up by the RTA results. Overall reduction in sound was over 4 decibels however notice the large reduction at 3.15k (a frequency our ears are sensitive to). After listening with/without the diffuser several times I realized 3.15k must have been the frequency of the exhaust port “chuffing” as that sound was pretty much eliminated with the diffuser in place. I also did a test on my Fein Turbo dust extractor and it was about 2 decibels quieter than the Dewalt with the muffler installed HOWEVER the response was fairly flat across the board without the huge peaks between 250-500hz like the Dewalt so it sounds “more pleasing ” which in turn makes it actually sound even quieter to my ears. My conclusion...this device will reduce port noise and make a “quiet vac” noticably quieter but it won’t do much for sound reduction if you have a “screaming motor” type shop vacuum.
                  by
                    • Recommended
                    27 found this review helpful
                    Kool device. It does bring the noise level down. It’s...
                    Kool device. It does bring the noise level down. It’s simple to install. Just put in the port where it blows out air and done. I have a Rigid 4 Gal. 5.0-Peak HP Portable Wet/Dry Shop Vacuum fits no problem also has a attachment to fit the bigger Rigid Vacuums.
                    by
                    • Verified Purchase
                    5 found this review helpful
                    Good Diffuser-Poor Muffler
                    Purchase 2nd 14gal Rigid vacuum ystrdy...and the Diffuser/Muffler today. Does pretty good job breaking the exhaust airstream up. As far as noise reduction it's a bust. Don't get it for that. Extremely poor design as it is angled so muffler blocks the only decent hanging bracket on the back of the vacuum. Did the designers even notice this?? That's right, the bracket can't be moved either (see photo). A total waste. What was the designer thinking? Obviously him/her and thinking don't get along. Then you wonder who approved the design? Don't bother with the muffler. M. Wright
                    by
                      9 found this review helpful
                      Does what its supposed to do
                      As a diffuser this part does the job very well and is worth the money. I think many are not being realistic in saying that this does nothing to reduce the noise given off of these vacuums. It definitely lowers the noise created by the exhaust from the motor. It would be impossible to lower the motor noise itself without hampering the performance of the machine which I think some are mistakenly hoping this would do. IMO the noise put off by this vacuum is one of the quietest i've used. This vacuum is a beast!!! Great suction, loads of attachments to do any job and extremely well made and thought out. A great upgrade from a Shop Vac brand vacuum.
                      by
                        • Recommended
                        6 found this review helpful
                        Muffler / Diffuser Accessory
                        As a muffler it does make a little difference in sound in this vacuum. With an iPhone decibel meter I had a steady reading of 84 with the Diffuser off. With Diffuser Attached I had a steady 79 decibel's. I was standing about 9' away from the Vacuum. Still noisy though. As a Diffuser it is good. When vacuuming dust in my shop or vacuuming Sheetrock dust it helps keep dust from blowing around off the floor etc. This is a very noticeable difference. I perceived no noticeable change in vacuuming performance with the diffuser attached. One thing I disliked is that the diffuser intruded into the storage space area for attachments. One thing that I found a little hard to understand in the advertisement is it says fits all rigid vacuums, however it indicates on the advertising that it is a 2-1/2" Hose accessory item. I wanted to clear this up as there are 2 connector points on the product which is not clear in the advertisement. The Red clip is a 2-1/2" connector and the Black clip is the 1-7/8" connector. You just take the 2-1/2" connector off to make it the 1-7/8" connector to your vacuum. There is no adapter required to make this connection. I like this item but only rated it a 3 because it is a functional average use product. Nothing here to write home about but if someone asked I would recommend buying it. The vacuum I am using is a Rigid WD4070. This is a great shop vacuum by the way if you want something smaller to move around with. Photo's were from my iPhone.
                        by
                        Response from RIDGIDMay 9, 2020
                        Hello H20andSand, While we don't know the model of your vac, this muffler diffuser reduces air noise by about 10 percent. In addition, different RIDGID vacs have different decibel rating and these ratings were obtained with the hose attached to the vac during our tests. The sound pressure (dB level) of the machine likely doesn’t change much, but the tones (low verses high) can change from hose to hose. Most of the high dB noise is created by the machine but, again, each hose and the air rushing through it may create their own separate tones. Additionally, there have been some instances where a given hose may create a “harmonic whistle.” This noise is normally very high pitched and includes a higher dB reading than the vacuum. This isn’t normal for most hose/vacuum combinations, but there’s something in the way the hose was molded, the way the hose ends are attached, the length of the hose, the diameter of the hose, the way that hose is held or is laying, the way the air is moving through the hose and at what rate that air is moving that all combine to create this “whistle”. On a different note, the use of the adapter varies depending on the model of the vac. We have vac models with 2-1/2" hose and accessories that do not require the use of the adapter with the red clip. With that being said, specifically for your WD4070, the red clip adapter is not required to be used when attaching this muffer diffuser to the exhaust port. Lastly, we appreciate your feedback and all your comments regarding this vac. If you have questions or concerns, you may call our Customer Service at 1-800-474-3443 from Monday to Friday between 8:00 AM to 5:00 PM Central Time and we'll be glad to assist you. Thanks, RIDGID Ridgid
                          • Recommended
                          10 found this review helpful
                          Love it
                          My meter displays a 6.0 db reduction with muffler installed on my ridgid 6 hp vacuum. I measured from 4 feet away at about same height as vacuum exhaust port.
                          by
                            • Recommended
                            4 found this review helpful
                            Greatly reduced the amount of dust being put in the air
                            Greatly reduced the amount of dust being put in the air
                            by
                            • Verified Purchase
                            • Recommended
                            6 found this review helpful
                            Easy installation. Easy to clean filter and reuse, and reduces noise.
                            Easy installation. Easy to clean filter and reuse, and reduces noise.
                            by
                            • Verified Purchase
                            • Recommended
                            2 found this review helpful
                            Does add some noise reduction. Not as much as expected. Used on new shop vac which is quieter tha...
                            Does add some noise reduction. Not as much as expected. Used on new shop vac which is quieter than worn out much noisier vac. Still, did add some noise reduction. More to the air rushing sound than the motor. Which makes sense, a diffusing sound, which is better. Glad to have less noise of any type.
                            by
                            • DIY
                            • Verified Purchase
                            • Recommended
                            6 found this review helpful
                            Made some difference on my old 6.5HP Ridgid shop vacuum. The decibel app on my phone showed 81.3d...
                            Made some difference on my old 6.5HP Ridgid shop vacuum. The decibel app on my phone showed 81.3db without muffler/diffuser and 78.9db with the muffler/diffuser with open hose only no attachment. The decibel reading showed 82.3db without muffler/diffuser and 80.8db with the muffler/diffuser with hose and nozzle attachment. Certainly not improvement I was hoping for but I will keep it. Ridgid makes good products for the value. My old 6.5HP Ridgid shop vacuum is probably 17 years old and has worked its heart out even used it extensively as a dust collector on my planer for hours at a time.
                            by
                              • Recommended
                              3 found this review helpful
                              Very easy to assemble did exactly what the package says it would do by lowering the decibels in v...
                              Very easy to assemble did exactly what the package says it would do by lowering the decibels in vacuum noise. Extremely satisfied would recommend for any wet-dry vacuum
                              by
                              • Verified Purchase
                              • Recommended
                              4 found this review helpful
                              dusting brush bad; other tools great
                              i have the standard 2 1/2" hose wand utility wet car nozzles crevice tool floor & round brushes & have to say everything except the dusting brush is great. the dusting brush bristles are too stiff for delicate surfaces; & the brush body is hard plastic
                              by
                                • Recommended
                                After installing this on our shop vac there was no difference in noise. I will be bringing this b...
                                After installing this on our shop vac there was no difference in noise. I will be bringing this back for a refund.
                                by
                                • Verified Purchase
                                6 found this review helpful
                                Should be an in-the-box item
                                I didn't even know they called this a muffler. I looked for it as an exhaust filter. It replaces the old sock that I had to use after buying my 12 gal vacuum. This item should really be a part of the accessories in the box but unfortunately we have to buy this as a side item. On the plus side, it comes with several adapters so it should fit the entire RIDGID line of wet/dry vacuums. Once installed, you'll likely never take it off except for the occasional rinse and clean.
                                by
                                • Verified Purchase
                                • Recommended
                                12 found this review helpful
                                Noise reduction muffler works well
                                Not only does the muffler greatly reduce the motor noise but it also effectively suppresses/diffuses the exhaust coming out of the vacuum. Previously, if I was vacuuming in an area with lots of dust or loose materials I had to be mindful of where the exhaust port was aimed or I'd make a bigger mess than the one I was trying to clean up. The muffler quiets the machine and keeps the mess going where it's supposed to - INTO the vacuum.
                                by
                                • DIY
                                • Verified Purchase
                                • Recommended
                                16 found this review helpful
                                Reduces sound & dust
                                This is a nice option to add to your shop vac - it does good job of reducing noise to that of a vacuum cleaner while at same time prevents excessive dust from being expelled out of exhaust.
                                by
                                • DIY
                                • Verified Purchase
                                • Recommended
                                4 found this review helpful
                                by
                                • Verified Purchase
                                The unit fit as expected. It did not reduce the noise of the vacuum. I am disappointed.
                                by
                                • Verified Purchase
                                1 found this review helpful
                                Worked well at keeping fine dust (drywall sanding) from exiting the exhaust on my shop vac which is the problem I was trying to solve. It did not lower the sound level at all.
                                by
                                • Verified Purchase
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