Standard Filter Housing Replacement O-Ring & Grease

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This is a replacement O-Ring & Grease for the Standard Filters, which are only used with: The Siberian The Cold Stoic 2.0 without the XL Filter upgrade Original Cold Stoic Classic model This is NOT compatible with the Secondary (XL) filter housing. If you are unsure which item you need, please contact support if you have any further questions. Show more