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Watts WQT4RO11-50PT, Reverse Osmosis System with Quick Twist Cartridges w 4 Gallon ROPro Plastic Tank

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  In Stock
  •   Model # WQT4RO11-50PT
  •   Brand Watts
Filtered Water Benefits the Whole Family

Faucet Options:

Upgrade Faucet: view all styles and colors

Quick-Connect Guide:

Quick-Connect FittingsTubing connection has never been easier than with Quick-Connect fittings. View our simplified Quick-Connect diagrams to see how...

What impurities will my reverse osmosis system remove or reduce to safe levels? This reverse osmosis system can be connected to an icemaker. To view the optional icemaker connection... click here. An optional supply line connection is available. Click here to view. View a chart comparing specs of all Reverse Osmosis systems sold on this site

Environmental Impact

Water Bottle Landfill

Use our Bottled Water Cost Calculator to find out how much of an impact you have on the environment.

Learn why filtration is better for the environment than bottled water.

Bottled Water vs Tap Water

Watts® new "QT" 4-stage residential reverse osmosis system with 50 gallons per day capacity. Systems come with "quick twist" cartridges for easy replacement, including sediment, carbon block, thin film membrane, GAC post filter and metal bladder tank. Systems are "booster pump ready", so a booster pump may be easily added for low pressure installations.

Features & Benefits:

  • No trips to the store for bottled water
  • Flow shuts off when cartridges are removed
  • High quality water for only pennies a gallon
  • All installation accessories included
  • Easy cartridge replacement!
  • No sumps!
  • No fuss!
  • No mess!
  • Assembled in U.S.A.
  • Module Dimensions: 15" long × 12" tall × 4" wide
  • Bladder Tank Dimensions: 9" diameter × 20" tall

Quick Change Cartridges

Sanitary Cartridges are as easy to change as a light bulb.

Particle size removal range by filtration
View a chart of
particle size removal range by filtration
for thin-film composite membranes.
Remineralizing Kit
Neutralize the pH of your RO water
with this Remineralizing Kit.
Bladder Tanks for Reverse Osmosis Systems