3M CFS8720EL Filter Cartridge 500 Grains Please check the accessories section

Please check the accessories section and add 1 before you checkout

acidic water slowly dissolve the calcium carbonate to raise the pH

The R91W-2AS-004 has a snap action pressure adjusting knob that locks the pressure setting when the knob is pushed in

Certifications: NSF Standard 42 and/or FDA CFR-21 compliant materials

Proof Pressure: 300 PSI

3M CFS8720EL Filter Cartridge 500 Grains Please check the accessories sectionSpecifications: 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