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Pentek 158096 Silicone O-ring is designed for use in Pentek High Tempature Housing models 158319 & 158318 to prevent leaking.
The Pentek 143218 O-ring for filter housings is the correct replacement for your Pentek ST-BC series stainless steel housing. This o-ring will form a seal between the housing sump and housing cap to prevent leaks. This o ring gasket will complete yo
