4 5 / 8 X 14 3 / 4, 1-1 / 2IN. MPT 50 SQ. FT. filter

Replacement Filter 50 square feet, equivalent on the market are: Filbur (FC-0151) Unicel (4CH-50) & Pleatco (PTL5CP-4). Diameter 4 5/8 '', height 14 3/4 ''. Top closed with handle and bottom 1 1/2 '' MPT. Manufacturers using this filter: Aquatech Spas, Dynasty Spas, LA Spas, Spas Nemco.