WHY UNICEL? WE HERE AT POOLSPAMART CHOOSE UNICEL AS OUR BRAND OF FILTER ELEMENTS AND FILTER CARTRIDGES DUE TO ITS RELIABILITY, QUALITY, COMMITMENT, AND CARE OF THE PRODUCT ALL WHILE BEING 100% MANUFACTURED IN THE U.S.A. EVER SINCE BEING FOUNDED IN 1956, UNICEL CONTINUES TO BE THE NUMBER ONE FILTER ELEMENT AND CARTRIDGE MANUFACTURER IN THE POOL AND SPA INDUSTRY TODAY.