Pentair Pentek WS-20BB, 20' Big Blue Water Softener Cartridge, 20' x 4.5'
- CARTRIDGES USE a sodium based, non-solvent rinsed softening resin to reduce hardness, minerals and scale deposits in low flow rate applications.
- FITS ALL 20" Big Blue or other heavy duty housings and can replace any 20" x 4.5" water softener cartridge.
- CARTRIDGE STYLE DESIGN PROVIDES A CONVENIENT SOLUTION for delivering softened water to protect sensitive water delivery equipment.
- DESIGNED TO ALLOW OPTIMAL CONTACT between water and resin surfaces, ensuring maximum ion exchange.
- 4,500 GRAIN CAPACITY. Cartridge utilizes single-use resin technologies for maximum life grains capacity.