6-Stage Under Sink Reverse Osmosis Drinking Water Filter System with Alkaline Remineralization, NSF Certified
$218.49
Pay $193.49 after $25 OFF your total qualifying purchase upon opening a new card. 
Apply for a Home Depot Consumer Card- Best-selling NSF certified 75 GPD 6-stage reverse osmosis system
- Removes up to 99% of 1000+ contaminants
- Alkaline filter adds healthy minerals back to your filtered water
- View More Details
Product Details
Specifications
Questions & Answers
170Questions
Q:Exactly what minerals are being put back in during the remineralization stage?
by|May 11, 2023
1 Answer
Q:Are replacement filters included?
by|Apr 30, 2023
1 Answer
Q:What minerals does this filter add at the end of the filtration?
by|Apr 25, 2023
1 Answer
Q:Do you have test results for this filter to show pre-and post water testing to see how much it removes of the heavy metals? We have arsenic,tin chromium & barium in our water. Would like to see clearance by percentage, I have seen it cant remove ALL
by|Apr 22, 2023
1 Answer
Showing 1-4 of 170
Apr 27, 2023
great under sink water filter
bought it from homedepot. arrived as advertised. installed quite easily. i did tighten the filter housing too much such that when i went to remove then for filter replacement, the wrench provided with the kit broke. I contacted Mayra at iSpring and they sent me a new wrench at not cost. I finally got the housings off and filter replacement was a jiffy.
the water has a flavor when the filers are new. this last a couple days maybe, but after that it's great tasting water.
by
Customer review from homedepot.caFeb 5, 2023
Who knew you could have Smart Water at home?
I've never been a huge water nerd but now I'm preaching to everyone about this product. I got tired of buying bottled water and this thing produces WAY better quality than anything I've had before. The company is fantastic as well. I called with a small issue and other questions and Sean there helped me out immediately. When was the last time you called a company and talked to a real person immediately? Huge shout out to the company. Up next, a whole house filter!
by
Dec 29, 2022
Totally Satisfied
I ordered this water system through Home Depot Canada online. It was shipped directly from the iSpring facility in Georgia USA within 2 days of the order being placed. Arrived at my home amazingly fast. I bought this system to replace a 20 plus year old system that had started giving trouble. Since I have never liked the taste and scale of municipal water I wanted to continue to have an in home water treatment system. This one is very similar to the one it is replacing. We really like the tap that came with it. The push to connect water tube fitting made installation quick and easy. We also have water from this system plumbed to the refrigerator (water tastes great) and the humidifier on our furnace to avoid mineral deposits on the drum and inside the furnace.
I installed the system in the basement laundry room hanging from the floor joists. I am totally satisfied.
by
Customer review from homedepot.caNov 17, 2022
Amazing service at a fraction of the cost.
I purchased this filter for drinking water and an aquarium mixing station. I have looked at a few companies and iSpring had amazing technical support answering all of my questions about my configuration. It was great to get this level of support when the filtration system is a fraction of the cost when buying it from a hobby store.
iSpring is my source for all my water future filtration needs... Thank you Don for your all of your help.
by
Sep 22, 2022
Add pressure in water tank to boost water flow
iSpring 6-stage water filtering system is a great product. I can save a lot in buying bottle water, and save a lot of plastic to protect our environment. I can have a good quality and a good taste of water anytime I want without going to the markets to buy bottle water.
In the long run, iSpring water system can save us much money to have a good quality of water, save us energy to haul water and save the environment by minimizing the use of plastic.
by
Jun 16, 2022
I love ISPRING products
love our new system at new house and new well. used their 50 micron spin down and whole house 2 stage with it. stop buying bottled water.
by
May 19, 2022
Good taste
5 years ago I bought the ISpring 6-stage filter system at Home Depot. It includes an alkaline filter to raise the PH. The water tastes good and the cartridge replacements have been easy to order. Also there is an excellent manual that is helpful. I am glad I purchased this product.
by
Apr 27, 2022
Clean Install, Excellent Documentation
The instructions are very clear as are the installation videos on YouTube. I installed the RO machine head on a sliding panel to make it easier to change cartridges later. Definitely fill/drain the holding tank twice to get to the good water. All the parts (plus spares) were easy to identify and install.
by
Apr 1, 2022
Overflow valve goes bad, starts leaking
The valve on this unit went bad, started putting water in my lower cabinet. Contributed to water damage in my floor. I contacted manufacturer for a replacement, he said he would send replacements. He never did send after a follow up. $200 system swamped out my cabinet (no warning these go bad, manufacturer said they do) and its useless to me now because i cant get part
by
Dec 9, 2021
Some little problem but great customer services.
Love:
-Helpful and professional real person Cust. Serv., John is the one save me a trip to return the system to HD and make this a 5 star review.
- Good quality water.
Don't like:
- drip leaks at the automatic valve and the faucet. Took 4 days to use.
by
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| Brand | ISPRING | ISPRING | ISPRING | ISPRING |
| Name | 6-Stage Under Sink Reverse Osmosis Drinking Water Filter System with Alkaline Remineralization, NSF Certified | 6-Stage 75GPD Under sink Reverse Osmosis Water Filter System with De-Ionization filter for 0 TDS | 5-Stage 100 GPD Reverse Osmosis Drinking Water Filtration System 1:1 Pure to Waste Ratio, US Made Filters | Maximum Performance Under Sink Reverse Osmosis Drinking Water Filtration System with Booster Pump |
| Price | $21849 | $25999 | $28999 | $29879 |
| Ratings | (577) | (23) | (14) | (57) |
| Contaminants Filtered | Lead, Chlorine, Copper, Fluoride, Iron | Lead, Chlorine, Copper, Fluoride, Iron | Lead, Chlorine, Copper, Fluoride, Iron | Lead, Chlorine, Copper, Fluoride, Iron |
| House Hold Size | 3-4 people | 5-6 people | 5-6 people | 5-6 people |
| Number of Stages | 6 Stage | 6 Stage | 5 Stage | 5 Stage |
| Filtration Method | Activated Carbon,Alkaline or Calcite,CTO,GAC,Hollow Fiber Membrane,Sediment | Activated Carbon,CTO,Carbon Block,Coconut Shell Carbon,Deionization,GAC,Sediment | Activated Carbon,CTO,GAC,Sediment | Activated Carbon,CTO,Carbon Block,Coconut Shell Carbon,GAC,KDF,Polypropylene,Sediment |
| Number of filters included | 6 | 6 | 5 | 5 |
| Features | Automatic shutoff | Automatic shutoff | Automatic shutoff | Automatic shutoff |
| View Product | View Product | View Product | View Product |
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