Pentek 143216 O-Ring for ST Series Stainless Steel Housings

The Pentek 143216 O-Ring is the Replacement O-Ring for the Pentek ST Series stainless steel housings. The Pentek 143216 o-ring seals the housing sump to the housing cap to prevent leaks. It is important to keep the o-ring lubricated with silicone lubricant.