Here are the features of Pentek 155319-43 WS-10 Water Softening Cartridge:
Dimensions: 2-5/8″ x 9-3/4″
Capacity: 750 grains
Water Softener Cartridge for use in slim line, standard and Big Blue Filter housing
WS Series Cartidges are especially designed to permit ideal contact between water & resin surfaces, make certain maximum ion exchange. The internal expansion pad ensures minimized concentration, on the other hand the post filter reduces any possibility for bypass. It is constructed for low water usage, these units are easily delivering softened product water using FDA-Grade sodium based, non-solvent rinsed softening resin. It always provides convenient solution for delivering softened water to protect sensitive water delivery equipment.