3-Stage Q Series Replacement Filters For Well Water

The PuROTwist 4000 REVERSE OSMOSIS semi-permeable membrane rinses contaminants to the drain. High quality filtered drinking water is produced and conveniently stored in a sealed tank. The PuROTwist 4000 lead-free faucet easily delivers an abundant supply of clear, clean, and fresh drinking water to you and your family.

US Water Systems offers quality USA manufactured compatible filters at a cost savings that will meet or exceed PuROTwist specifications. 

Genuine factory replacement filters fits all Q-Series reverse osmosis systems from PuRO Twist PT-3000, TGI, Topway Global, DuPure, Rayne, PurelyEZ, and ARS Millennium reverse osmosis systems as well as any other reverse osmosis system utilizing Omnipure Q-Series reverse osmosis filters.

• Filter Pack contains 2 filters
• 5-Micron Pre-Filter (Q-5605)
• GAC Post-Filter (Q-5633)

Not sure if your membrane needs replacing? Order a TDS Meter and find out. Not knowing the TDS (total dissolved solids) being delivered by your RO system is like having an air conditioner or furnace with no thermostat. A TDS Meter tells you how well your reverse osmosis system is functioning.