Universal Meltblown Fiter Cartridge 2-Pack Starter Pack.
More square footage of filtration per filter versus pleated filters.8-11/16 dia. x 18-3/16 x 4"ID Uni Meltblown Filter Cartridge 190SF,PK2 Our Universal fit Meltblown Pool Filter technolgy has superior sediment and dirt-holding capacity allowing chlorine and other chemicals to do their work more efficiently..