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The R91W-2AS-004 has a snap action pressure adjusting knob that locks the pressure setting when the knob is pushed in
acidic water slowly dissolve the calcium carbonate to raise the pH
Compatible with Amtrol RO-3 (140S723)
This standard establishes requirements for point-of-use (POU) and point-of-entry (POE) non-public water supply (non-PWS) ultraviolet systems and includes two optional classifications
3M CFS8720EL Filter Cartridge 500 Grains The R91W-2AS-004 has a snapSpecifications: Particle reduction down to 5 micron nominal Reduces Cysts Capacity: 5,500 gallons Flow Rate: 1. 67 gpm Sanitary Quick Change (SQC) encapsulated cartridges reduce contamination during change outs FDA CFR 21 and or NSF compliant materials
