Omnipure - E5621-P - 12" x 2.5" E-Series 1 Micron Carbon Block, Phosphate Filter - Scale Inhibitor Quantity:Pack of 3 Cartridge life depends on incoming

Cartridge life depends on incoming water hardness

First O-ring bears direct process exposure and chemical contact

5 Micron Pentek EPCB Cartridge

and compatible elements from Hydranautics

Post-Filter

Omnipure - E5621-P - 12" x 2.5" E-Series 1 Micron Carbon Block, Phosphate Filter - Scale Inhibitor Quantity:Pack of 3 Cartridge life depends on incomingOmnipure E Series E5621 P Carbon Block Water Filter with Phosphate Scale Inhibitor 12" x 2. 5" inline filter combines 1 micron carbon block filtration with polyphosphate scale inhibition for comprehensive water treatment 1 Micron Carbon Block Polyphosphate Scale Inhibitor Universal Cap Design 2500 Gallon Capacity The Omnipure E5621 P combines fine 1 micron carbon block filtration with polyphosphate scale inhibition in a single inline cartridge.