Watts-(W-4021-TW) Membrane for Commercial Reverse Osmosis Systems, 4 IN x 21 IN, Tape Wrapped, Standard Element, 800 GPD Relton (GRT-8-6) Groo-V Tip Multi-Purpose 1/2" Serrated Edge Carbide Drill Bit this piston assembly ensures reliable

this piston assembly ensures reliable valve operation in residential and commercial water softening systems

ensuring your water quality measurements remain accurate and trustworthy

Individual element permeate flow rates may vary +/-20% from nominal specifications

} Whole House Filtration

Watts-(W-4021-TW) Membrane for Commercial Reverse Osmosis Systems, 4 IN x 21 IN, Tape Wrapped, Standard Element, 800 GPD Relton (GRT-8-6) Groo-V Tip Multi-Purpose 1/2" Serrated Edge Carbide Drill Bit this piston assembly ensures reliableWatts Commercial RO Membrane W 4021 TW Thin Film Composite Membrane 800 GPD capacity, 4" x 21" tape wrapped standard element for commercial reverse osmosis systems 800 GPD rated flow Thin film composite Tape wrapped design Standard element The Watts W 4021 TW is a thin film composite reverse osmosis membrane engineered for commercial applications requiring reliable, high volume water treatment. With an 800 gallons per day production capacity and 125