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FLEXiO 4300 Gravity Feed Stationary Paint Sprayer

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  • All project sprayer applies finishes 12X faster than a brush
  • Gravity feed nozzle applies fine finish on cabinets, trim & more
  • iSpray nozzle applies fast coverage on large surfaces
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Product Overview

The FLEXiO 4300 all project paint sprayer is great for applying a superior finish on a wide variety of indoor and outdoor projects such as walls, siding, kitchen cabinets, furniture, crafts and more! The X-Boost turbine allows you to spray on unthinned latex and oil based paints, stains, and urethanes. This innovative sprayer includes two nozzles to help tackle countless projects. The Gravity-Feed Spray Nozzle is ideal for tight spaces and precise control for small jobs and comes with two container sizes (600ml and 150 ml). The sprayer also includes a 1.5 qt. iSpray nozzle, which is ideal for fast coverage on exterior surfaces and interior walls. The FLEXiO 4300 features adjustable settings for material flow, pattern direction and width, and air power output to suit any project need. It also features a stationary turbine base which keeps the weight on the ground, not in your hand, to reduce hand fatigue on large projects. When you're done spraying, the hose, handle, and nozzle pack away into a storage bag until the next project. The FLEXiO 4300 is great for all spray projects for DIYers.
  • Great for applying a superior finish on walls, siding, cabinets, furniture, crafts and more
  • 12X faster than a brush to get projects done quickly
  • 600 ml Gravity Feed Cup for fine finishing trim, furniture and cabinets
  • 150 ml Gravity Feed Cup for small crafts and light touch ups
  • 1.5 qt. iSpray Nozzle for fast coverage on large areas like walls and siding
  • 15 ft. high-flex hose provides 30 ft. of working area
  • X-Boost Turbine provides the power to spray unthinned paints and stains, including paint-and-primer in one coatings
  • Stationary base keeps the weight on the ground, not in your hand, to reduce fatigue
  • Features adjustable settings to suit project needs
  • Lock-N-Go technology allows for quick material changes and easy clean-up
  • Includes accessory bag for convenient storage after use

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Compatible Paint TypeInterior PaintExterior Paint,Interior Paint,Polyurethane/Lacquer,Primers,Sealers,StainsExterior Paint,Interior Paint,Primers,Sealers,StainsExterior Paint,Interior Paint,Polyurethane/Lacquer,Primers,Stains
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Maximum Hose Length16Maximum tip size (in.)1
Product Depth (in.)13.25Product Height (in.)11.5
Product Width (in.)19.25


Compatible Paint TypeExterior Paint,Interior Paint,Polyurethane/Lacquer,Primers,Sealers,StainsCycles Per Gallon1
Flow rate (gallons per min.)1Hose length supplied (ft.)15
IncludedCase Included,Hose Included,Spray Gun Tip IncludedInterior/ExteriorExterior,Interior
KitNoNumber of Spray Settings3
Operating Pressure (psi)8Paint Sprayer TypeStand
Paint Sprayers Product TypeHVLPPerformance FeaturesAdjustable Spray Width,Fan Control Screw,Low Overspray
Power TypeElectricProduct FeaturesGravity Feed Hopper
Product Weight (lb.)12.7Pump TypeVariable Speed
Recommended Annual Usage (GAL./YEAR)30Returnable90-Day
Spray Tip Pattern Size (in.)12(in)Spray Tip Size1
Trigger ConfigurationTwo Finger TriggerUsage TypeLight Duty

Warranty / Certifications

Manufacturer Warranty1 Year Limited Warranty

Questions & Answers

Typical questions asked about products:

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Customer Reviews

  • 3.9
    out of 137 reviews
  • 81%recommend this product
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Showing 1-10 of 137 reviews
Helpful tool
Great product, have less weight in handle than others of Wagner products, but not by much...
Response from Wagner Spray TechDec 20, 2021
Thanks for your review. The Flexio 4300 gun is 6lbs lighter than the Flexio 3000 gun. WagnerSprayTech
  • Verified Purchase
  • Recommended
Worked well for finishing work
I spray painted speaker grills and AC vents/returns. Good atomization. Cleaning was much easier than super old Earlex HV3000 I had. I do think they need to include a viscosity cup and recommendations for level. I thinned some thick BM latex so YMMV.
Response from Wagner Spray TechNov 10, 2021
Thank you. WagnerSprayTech
    • Recommended
    1 found this review helpful
    Need bigger storage bag!
    love the gun I would have gave it five stars if they would have just given me a bigger bag to put it all in it's almost like they give you a tiny bag it only fits one way just to drive you crazy I couldn't get everything to bag so I threw it away and now I'm currently hunting for an easier bag to carry it in otherwise machine sprayed great sprayed lacquer no problem kitchen cabinets came out great
    Response from Wagner Spray TechAug 16, 2021
    Thanks for your review. The bag is meant for the small items only, not the turbine/hose. I keep mine in a plastic storage tub. Also, you should only use water and oil based paints, stains and finishes with your Flexio. No lacquer or shellac, lacquer thinner, acetone, denatured alcohol, etc. should be used with any Wagner branded sprayer. It can damage the tool or cause other issues. WagnerSprayTech
      • Recommended
      1 found this review helpful
      My new best friend !!!!!
      I have to say that this will be my new best friend! I usually find painting/staining to be relaxing but the spindles make me nuts! My first use was re-staining the front porch at our weekend get-a-way. Prep took a little time but there was a light breeze and the plastic kept blowing all over. Staining took about 4 hours, spindles included! I even gave some heavily worn areas, like the steps, multiple coats. Overspray was not bad at all even with the breeze. The only areas that had a lot were where the railings meet up with the house. Cleanup was a breeze! Next project is painting the interior of my house.
      Response from Wagner Spray TechSep 29, 2020
      Thank you for your review. WagnerSprayTech
        • Recommended
        1 found this review helpful
        storing bag
        disappointed about the bag..to small for everything
        Response from Wagner Spray TechSep 10, 2020
        The storage bag is meant for the cups and other small parts only. Good luck with your projects. WagnerSprayTech
          • Recommended
          2 found this review helpful
          Incredibly easy to spray paint of any type. I used oil based exterior primer and it worked flawle...
          Incredibly easy to spray paint of any type. I used oil based exterior primer and it worked flawlessly several days in a row. The reason why this product is so incredible is 4 major things. It is relatively inexpensive by the first use. Even more so as you use it repeatedly. This particular model can handle thick oil based primer with no thinning. It is very quiet and light because of the hose attachment relocating the blower away from you. And finally and by far the greatest thing about this sprayer is that you only have to clean a small section of parts that reduces risk of poor maintenance that would otherwise destroy an airless sprayer when you have to clean an oil based product with paint thinner. Less than a quart as compared to 2 gallons on an airless sprayer. It also was ridiculously easy to spray regular exterior paint with the additional top feed sprayer. The overspray is 90%+ controllable and easy to get very good at quickly. Im so happy I upgraded to this in addition to a smaller model and a professional airless sprayer. So happy with all three and I will not do without this sprayer from here in. Thank you Wagner and thank you Home Depot.
          Response from Wagner Spray TechJun 3, 2020
          Thank you for the wonderful review. WagnerSprayTech
          • Verified Purchase
          • Recommended
          6 found this review helpful
          I love this thing! Very easy to use, very...
          I love this thing! Very easy to use, very easy to clean! I was able to paint my laundry within 2 hours, including taping off the shelves and cleaning up the sprayer. No more rolling on tow coats of paint and getting paint all over the floor, no more brushes to clean! Tip: when it says to protect 24 inches to avoid overspray, do it! I tried to cheat using a piece of cardboard to shield, didn’t work, but helped. I did have to touch up the areas I do t mean to paint. Great investment, I actually look forward to painting!
          Response from Wagner Spray TechJun 3, 2020
          Thanks for loving our tools. Now get back to work! WagnerSprayTech
          • Verified Purchase
          6 found this review helpful
          Very impressed!
          [This review was collected as part of a promotion.] The Wagner Flexio 4300 is awesome! This is truly one of the best DIY sprayers ever. With 3 different sizes of spray cups it can handle large rooms wall to celling, decks, sheds, fences, furniture, cabinets, trim, small arts and crafts you name it, it can spray it. With a tough and flexible16 foot air hose there are few things this can't handle. Clean up really is 5 minutes. Wagner has done a great job making everything easy to assemble/disassemble. All the parts fit together nicely and the finish is nice. One of the only real draw backs I've found is with the gravity feed cups. They are tall, so tight spaces like book shelves or inside cabinets might be difficult to access. Overall this is such a fun, versatile and easy to use sprayer that is perfect for around the house. Disclaimer, I received the Wagner Flexio 4300 free of charge for an honest review. With that said, this is my favorite sprayer and my new go to. I love this thing.
          Response from Technical supportMay 14, 2020
          Thank you so much for your review. Good luck with all your projects.
            • Recommended
            Good home project paint sprayer
            [This review was collected as part of a promotion.] This was sent to me to try out and review. Was able to use it twice since receiving. First off, it was easy to use and easy to clean after using. For my first project I sprayed a backing for a hook and ring game. The sprayer gave it a nice even first and second coat making. Clean up after was a breeze and I couldn’t wait for my second project! A week later I used it on a ping pong table I made. Had a few issues with it spitting the paint out but after thinning the paint it worked fine. I recommend making sure it’s spraying the way you want it on something that is not what you are working on before jumping right onto your project. This is a time saver for sure compared to a brush and roller! It comes with a bag to keep everything but the actual machine/turbine in. Everything from setup to cleanup is easy enough that i think anyone could benefit and save time using the Flexio 4300! Can’t wait to use it to stain my deck next!
            Response from Technical supportMay 13, 2020
            Thanks for your review.
              • Recommended
              Great coverage and easy to use!
              [This review was collected as part of a promotion.] I got this product about a month ago and it was very easy to use and had great coverage! I re-did a small table. It was easy to get in there and get the nooks and grannies. Awesome product! I would recommend it to anyone.
              Response from Technical supportApr 20, 2020
              Thank you for the review and the photo series of your project. It came out great! Good luck in the future.
                • Recommended
                Showing 1-10 of 137 reviews