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 🔧 Pro tip: Keep a

🔧 Pro tip: Keep a differential pressure gauge installed across the housing inlet and outlet to track cartridge loading in real time

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

this 10-inch standard housing features buttress threads for easier cartridge changes

this E-Series filter offers tool-free installation and a service life of up to 3

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 🔧 Pro tip: Keep aWatts 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