Details:
Type: Threaded fitting in filter cap. Screw-In
Diameter:Measured across end cap at widest point.5"
Length:Measured end cap to end cap, excluding any handles, threads, fittings or protrusions. 6⅝"
Top:Hole inside diameter. 2⅛" Open
Thread:Measured outside diameter. Also called 1½" MPT. 1⅞" Fine
Media:Media area & weight/yard.25 SF-3oz
Cross reference numbers: Unicel: 4CH-22, Pleatco: PFF25P4, Filbur: FC-2399, FF-150, FL1011, 12535, 303263, 40257, 78459
Associated brands: Aquaterra, Freeflow Spas, Lifesmart, Thermospas