Puregen (EC-4520-W) 20"x4.5" Empty Refillable Cartridge Mazzei Injectors Contaminated water passes through the

Contaminated water passes through the Filox media bed where dissolved iron

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The Aries AF-10-3322 polyphosphate cartridge installs in standard 10-inch filter housings for whole-house scale control

High Range Detection

Quarter-Turn Replacement

Puregen (EC-4520-W) 20"x4.5" Empty Refillable Cartridge Mazzei Injectors Contaminated water passes through thePuregen Water Filtration Puregen EC 4520 W 20"x4. 5" Empty Refillable Cartridge Fill your own media and build custom specialty filters for whole house or commercial applications Dual opening design Standard 20x4. 5 big blue size Built in sediment core Lower pressure drop The Puregen EC 4520 W gives you complete control over your filtration media. This 20" x 4. 5" refillable housing opens from both ends for easy loading and includes an internal