H2O USRO5-JG, 5 Stage Reverse Osmosis System


  • 100 Gallons Per Day Output
  • Assembled in the USA
  • Produces Purified Water Fast
  • Under Sink Reverse Osmosis System
  • Top Quality John Guest Fittings, Valves & Tubing
  • Includes Luxury Faucet, Tank & Accessories


More Uses Than Bottled Water

More Uses Than Bottled Water

Your Family will Benefit from Healthy, Clean Water
Great Tasting Water, Coffee & Tea
Healthy Water for Cooking
Endless Supply of Water
Never Runs Out
Pure Water for Ice
Improve Pet Health with Filtered Water
Save Money over Bottled Water

Assembled in the U.S.

Reverse Osmosis (RO) drinking water systems include mechanical filtration to remove particles, carbon absorption and adsorption to remove chlorine, taste, odor and chemical contaminants, as well as membrane separation down to .0001 microns. RO membranes remove dissolved solids at the ionic level. No other purification system can provide better removal. Reverse Osmosis Systems provide the best quality drinking water for your family.

The USRO5-100-JG, 5 Stage Reverse Osmosis System includes the following: 100 Gallons Per Day (GPD) Thin Film Composite Membrane, NSF Certified Quick-Connect Fittings, NSF Certified Metal Bladder Tank, NSF Certified 10 Micron Carbon Block, Inline GAC Post filter, Luxury Faucet, John Guest Tubing & Accessories.

Your complete system includes installation parts, fittings and everything listed here.


  • USRO5-100-JG features 3/8″ Delivery (John Guest) Tubing and Fittings after Bladder Tank and through to faucet for increased flow of purified water.
  • (1) Pentair Membrane – 100 Gallons Per Day NSF Certified Thin Film Composite Membrane produces pure water fast. Most RO’s in stores have only 25 GPD membranes or less! Ours will refill your tank more than four times faster.
  • (1) 5 Micron Spun Sediment Prefilter removes dirt, rust & sediment from your water in the first stage.
  • (2) 10 Micron Carbon Block Prefilters, NSF Certified removes chlorine, bad taste & odor.
  • (1) Inline Activated Carbon Post Filter made with premium quality coconut shell activated carbon, it filters the water after the bladder, just before you drink it.
  • NSF Certified John Guest Fittings, Valves and Tubing.
  • NSF Certified Pentair Filter Housings
  • 3.2 Gallon Bladder Tank has all the water you’ll need, available when you need it. The tank ball valve is included.
  • Drinking Water Faucet (Compliant with Lead Reduction Act) dispenses purified water for all your needs.
  • All Installation Parts & Easy-off Housing Wrench make installation and maintenance a breeze.
  • Automatic Shut-Off Valve eliminates waste by closing the feed line when the tank is full.

Warranty Information:

  • RO Filter Housing Assembly – 3 Years
  • Purified Water Faucet – 1 Year
  • NSF Metal Bladder Tank – 1 Year
  • Thin Film Composite Membrane – 1 Year
Particle size removal range by filtration

View a chart of particle size removal range by filtration for thin-film composite membranes.
Installation Instructions

View our installation and service manual included with this system.
Remineralizing Kit

Neutralize the pH of your RO water
with this Remineralizing Kit.

Bladder Tanks for Reverse Osmosis Systems

Additional information

Gallons Per Day


Post Filter

GAC, Calcite Remineralization


Faucet Finishes

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H2O Filter Warehouse QC Reverse Osmosis System Purification Process
Stage 1  5 µ Sediment Filter  Removes dirt, sediments, sand, and other physical particles.
Stage 2  Carbon Block  Reduces chemicals such as chlorine, that may be present in your water supply.
Stage 3  2nd Carbon Block  Further reduces organics, odors, and other chemicals that might be present in your water supply.
Stage 4  Reverse Osmosis Membrane  100 gallon per day membrane removes 93-97% of dissolved mineral salts and other contaminants in the water supply.
Stage 5  Post Carbon Filter  A final polishing process that enhances and clarifies your drinking water.

H2O Filter Warehouse QC Reverse Osmosis System Specifications
Max Total Dissolved Solids:  no more than 2000 ppm Maximum Manganese:  no more than 0.05 ppm
Water Temperature Range:  40°F - 85°F Maximum Iron:  no more than 0.1 ppm
Water Pressure Range:  45 - 100 psi Hydrogen Sulfide:  must not be present
Allowable pH Range:  4 - 11 Bacteria:  water source must be potable

USRO5 Product Manual


USRO5 Service Manual


Parts / Accessories