Pentek Black Nylon Cap for #5, #10, #20 Slimline Housings No PR - 1/2" - 1/2" FPT 12 Months Does not include the cap

Does not include the cap or o-ring

Harmsco 10" Calypso Blue Premium Pleated Filters offer higher flow capability

Seal Option: FKM

Excellent electrical and weathering properties

Replaces discontinued 10-0182C ballast

Pentek Black Nylon Cap for #5, #10, #20 Slimline Housings No PR - 1/2" - 1/2" FPT 12 Months Does not include the capThe Pentek 154503 Nylon Replacement Cap fits the #5, #10, and #20 Pentek Slim Line (SL) Sumps. This cap does not have a pressure relief button. The nylon cap is compatible with standard and high temperature housings. NOTE: The bottom cap threads are 3. 86 OD x 3. 153" ID and do not fit the 3G Slim Line (SL) filter housings.