Puratek 100 GPD RO/DI Filter System


A high-quality water purifier designed to provide maximum purity and minimum waste. This unit utilizes 4 stages of filtration and features a manual back-flush and an automatic shut-off valve.

Where to Buy

The Puratek 100 GPD RO/DI System features integrated manual Back-Flush valves to maximize the life and output of the membrane cartridge. Performing routine manual system Back-Flushes preserves the longevity of the membrane and increases efficiency. The unit is further furnished with an easily viewed oil-filled pressure gauge and an automatic shut-off valve which halts all water transit during instances of back-pressure. For added user-convenience, the Puratek RO/DI also features clear, easy-to-view canisters to quickly assess cartridge life, as well as standardized fittings to ease the task of routine maintenance.

Under standard operating parameters, this system achieves a product/waste water ratio of approximately 1:2.5.


  • Main Rejection: 99%
  • Inlet Water Temperature: 41-1133° F (5-45° C)
  • Footprint: 15" x 6.7"
  • Height: 15"
  • Pentair 100 GPD membrane
  • 5 µ polypropylene sediment cartridge
  • 5 µ carbon block cartridge
  • High capacity resin DI cartridge
  • Clear canisters and standardized fittings for easy maintenance

Technical Specifications

Main Rejection 99%
Inlet Water Temperature 41-1133° F (5-45° C)
Footprint 15" x 6.7"
Height 15"
Back Flush Manual
Gallons per Day 100 GPD
Treatment Stages 4
Waste to Product Water Ratio 1:2.5
Membrane Pentair TFC Membrane
Carbon Filter 5 µ carbon block cartridge
Sediment Filter 5 µ polypropylene sediment cartridge
Deionization Cartridge High capacity resin DI cartridge

* Canister wrench, 1/4" OD tubing, faucet adapters & fittings included

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