Choose any of the 3 RO Reverse Osmosis Membranes listed below based on your preference. 15, 36 or 50 GPD (gallons per day) Any of the 3 will work. The larger the GPD rating the faster the system will produce water and store it in the tank ready for use.
Once you convert to the standard "Q" series head you will be able to start sanitizing your RO system using the sanitizing cartridge listed below. You will need 4 to fully sanitize your system. They are reusable indefinately.
The PRO-4000 reverse osmosis system uses John Guest ® quick connectors.
Chrome Air Gap Faucet - Long Reach GGN-FAUCET-AG-P. The perfect replacement faucet for under sink reverse osmosis systems. Works as air gap or non air gap.
4 Gallon Reverse Osmosis Tank GGN-Tank-4 Pro 3.2. This is the perfect replacement tank for most RO reverse osmosis systems. Stainless Steel valve connector. Perfect replacement for all home RO reverse osmosis drinking water systems.
Inversion Stand for Water Tank on Reverse Osmosis Systems. Flip the tank over and remove the weight of the water from the bladder. Pressure and storage capacity are unchanged. Extends the life of your reverse osmosis water tank.
PuroTwist 4 Stage 50 GPD TFC Quick Change Water Filtration Retro Fit System. Quick change head with 50 GPD membrane, Q5605 sediment prefilter, Q-5633 GAC carbon prefilter and post filter No tank, faucet or installation kit. Uses John Guest quick connectors that are very easy to install. Works in place of the ® DuPure or ® Raine "-60" Pure Blue - ® Omnipure -60 "Q" Series systems. Converts stadard style cartridge RO systems to quick change filters for easier maintenance.
Omnipure Q Series Q53XE Sanitizing Housing. 6" empty Q Series quick change filter cartridge used for sanitizing Omnipure, PuroTwist and converted DuPure reverse osmosis and under counter drinking water filtration systems.
Omnipure Q Series Replacement O-ring - Small
Omnipure Q Series Replacement O-ring - Large
Chiller Daddy ® CHL-750XL Under Sink Water Chiller - NEW TANK IS 25% LARGER than our previous chillers. Output Cold Tank Volume : 3 liter (0.8 gallon) Exterior cabinet is made of RUST FREE 304 SS Stainless Steel. Cold Water Container is made of SUS304 Stainless Steel. Inlets and outlets are 1/4" stainless steel 304. Includes a pair of quick connectors for a simple hook up. Output of Cold Water : 1.34 Gallons Per Hour (5 Liters 5L/H (<10C) Continuous Cold Water Output(cc/hr) 5,400. This is a high output, heavy duty undersink drinking water chiller. Great for use with a Reverse Osmosis System or drinking water filter system.
Inline Water Shut Off Valve - Great For Refrigerators, Ice Machines, reverse osmosis systems and under counter drinking water systems. Built in quick connectors. Very easy to install and use.
Quick Fittings and Connector Instructions
John Guest ® Poly Tubing 1/4" For Pure Drinking Filter Water Systems
Shower Water Filters For Soft Hair and Softer Skin.
Reverse Osmosis Replacement RO Accumulator Tanks. Large selection, low prices and fast shipping since 1999.
Replacement Faucets for RO Reverse Osmosis and Pure Drinking Water Filter Systems.
Water Filter System Parts Department. Find replacement filters, reverse osmosis membranes and repair parts for all major brands.
Simply enter your Feed Water TDS and RO Water TDS into the boxes above and click "Submit". The percentage of TDS Rejection will be displayed. We normally recommend membrane replacement once you drop below 75%. This may vary in areas with high TDS in the feed water.
See our selection of TDS meters under Water Tests
Starting at $5.99