Unicel is the world s largest filter element supplier sevicing the pool and spa industry and the only replacement manufacture that produces both cartridges and D.E grids. Unicel has manufactured replacement cartridge and grids since 1956. All Unicel grids are manufactured in the USA.

Our filter grids from Unicel are designed for Diatomaceous Earth filter applications. All grids are constructed with a reinforced center core for added durability. Seams are stitched with heavy duty, chemical resistant string and are sonic welded to prevent fraying. Make the switch and notice the difference.