Pentek - WS-20BB - 20" x 4.5" Water Softening Resin Filter Lead Removal This cartridge requires a Big

This cartridge requires a Big Blue 20-inch filter housing with 4

suitable for residential whole house and light commercial applications

The extended-pass carbon block design provides both particulate filtration down to 0

steam ovens

Pentek - WS-20BB - 20" x 4.5" Water Softening Resin Filter Lead Removal This cartridge requires a BigPentek Water Softening WS 20BB 20" x 4. 5" Softening Resin Cartridge Sodium form cation exchange resin in a drop in cartridge for point of use water softening 4,500 Grain Capacity 20" x 4. 5" Big Blue Reduces Scale 2. 0 GPM Flow The Pentek WS 20BB delivers water softening in a standard cartridge format, eliminating the need for a full softener tank. Sodium form cation exchange resin captures hardness minerals like calcium and magnesium, reducing scale