Phosphate Crystal Filter Cartridges
|   ||Pentek Ametek Brand filter cartridges. Polyphosphate filters are used to help stop the formation of calcium carbonate scale. The phosphate sticks the the calcium so it can not stick to itself with any strength. These filters will not soften the water but work well in front of water heaters boilers and other devices.
These filters fit 10" filter housings. Filter Housings.