Pleatco Premium quality replacement cartridge filters for hot tubs and pools. Featuring Pleatco Free Flow Cores to maximize filtration for clearer water. "Pleatco Free Flow cores are superior as they are designed to significantly enhance the filtration process over any other competitive product. Pleatco Free Flow Cores deliver better water flow rates, giving enhanced filtration and reducing wear and tear on the pump and therefore, also uses less energy"
6" Outside Diameter
Bottom 1.5" SAE male thread