Zodiac Jandy CL/DEL Small Bulkhead Fitting w/O-Ring (R0358200) bypassvalves Gaskets like these are important

Gaskets like these are important because they help create the seal between skimmer faceplate components

Cross-referenced cartridges are useful because they make it easier to confirm a correct replacement when matching an existing filter with different numbering

or no longer delivering expected performance

The Speck Pumps Adapter for 21-80 Volute

or prevent the system from operating as intended

Zodiac Jandy CL/DEL Small Bulkhead Fitting w/O-Ring (R0358200) bypassvalves Gaskets like these are importantDesigned for compatible Jandy CL DEL Small Bulkhead Fitting w O Ring applications, this replacement sealing component helps restore a tight, dependable fit where water pressure and repeated service can wear down older rubber parts. O rings are small pieces, but they often determine whether a filter, valve, or plumbing connection runs cleanly or develops slow leaks after reassembly. Replacing the worn seal with the correct part number R0358200 can help