Pool Spa Filter Cartridge Q16344

FILTER CARTRIDGE 2 PACK 609SOFT-02 This filter is (approx. 6 in. dia. and 7 1/2 in. lg.), the 'extra' length size, with (5 1/2 inch) snap ring. This is the new size 'Snap-on Softub tm Unifilter' , #5020, developed in 2009 (for the new larger suction covers) that 'snaps on' over one of the ( 5 1/2 in. dia. ) safety suction covers near the bottom of the softub.