SUEZ AK4021TF; 4" X 21" 1050 GPD TFC Replacement Reverse Osmosis Membrane - (Product flow @ 107 PSI) (Veolia) Lower TDS Replace cartridge every six months

Replace cartridge every six months or 2

Replacement duckbill check valves for Stenner chemical feed pumps

5" diameter x 20" length Housing Compatibility Big Blue 20" (4

Turn off water supply and relieve pressure from your 20" Big Blue housing by opening a downstream faucet

Hydrogen and hydroxide ions combine to form pure H₂O molecules

SUEZ AK4021TF; 4" X 21" 1050 GPD TFC Replacement Reverse Osmosis Membrane - (Product flow @ 107 PSI) (Veolia) Lower TDS Replace cartridge every six monthsSUEZ Veolia Commercial RO Membrane AK4021TF 4" 21" Low Pressure Thin Film Composite Membrane High flux brackish water desalination for commercial systems operating at 100107 PSI 1050 GPD rated output High sodium chloride rejection Low pressure optimized Tape wrapped, dry stored The SUEZ AK4021TF (formerly GE Desal) is a commercial thin film composite reverse osmosis element engineered for brackish and tap water applications where high rejection is