Pentek - WS-20BB - 20" x 4.5" Water Softening Resin Filter 10 inch x 2.5 inch Filters2640 Verify your existing housing accepts

Verify your existing housing accepts standard 20-inch cartridges before ordering

OEM Specification

These filters are ideal for whole-house systems

KDF-55 (KDF55-DRUM) Process Media for Chlorine & Heavy Metal Removal

Efficient pleated design maintains low pressure drop even at 10 GPM

Pentek - WS-20BB - 20" x 4.5" Water Softening Resin Filter 10 inch x 2.5 inch Filters2640 Verify your existing housing acceptsPentek 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