Water Softening Cartridge Big Blue 20" Pentek1315 Santoprene (bottom) Housing Compatibility 20"

Santoprene (bottom) Housing Compatibility 20" x 4

it handles residential tap water applications and process polishing with equal reliability

Verify your existing membrane size before ordering

Uniform 1/16" gravel gradation ensures proper stratification and prevents channeling in multi-media filter beds

Water Softening Cartridge Big Blue 20" Pentek1315 Santoprene (bottom) Housing Compatibility 20"Isopure Water Water Softening Cartridge Big Blue 20" Ion exchange resin cartridge for whole house Big Blue housings 20 Inch Length 4. 5" Diameter Big Blue Compatible Resin Media This 20 inch water softening cartridge fits standard Big Blue 4. 5" x 20" housings and uses ion exchange resin to reduce hardness minerals like calcium and magnesium. Designed for point of use applications or as a pre treatment stage before RO systems in areas with moderately