![Amazon.com: Captain O-Ring - Replacement 151122 O-Rings Compatible with Pentek Big Blue Water Filters OEM Size ORing Buna-N (3 Pack) : Tools & Home Improvement Amazon.com: Captain O-Ring - Replacement 151122 O-Rings Compatible with Pentek Big Blue Water Filters OEM Size ORing Buna-N (3 Pack) : Tools & Home Improvement](https://m.media-amazon.com/images/I/71ycpKvJ71L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Captain O-Ring - Replacement 151122 O-Rings Compatible with Pentek Big Blue Water Filters OEM Size ORing Buna-N (3 Pack) : Tools & Home Improvement
![Amazon.com: O Ring for Geekpure 4.5"x10" and 4.5"x20" Big Clear Filter Housing (Just for Clear Color Housing) : Tools & Home Improvement Amazon.com: O Ring for Geekpure 4.5"x10" and 4.5"x20" Big Clear Filter Housing (Just for Clear Color Housing) : Tools & Home Improvement](https://m.media-amazon.com/images/I/41KvEtmbi5L.jpg)
Amazon.com: O Ring for Geekpure 4.5"x10" and 4.5"x20" Big Clear Filter Housing (Just for Clear Color Housing) : Tools & Home Improvement
![APEC WATER APEC Replacement O-Ring For 10" or 20" Big Blue and Clear Water Filter Housing (O-RING-HB) | Wayfair APEC WATER APEC Replacement O-Ring For 10" or 20" Big Blue and Clear Water Filter Housing (O-RING-HB) | Wayfair](https://secure.img1-cg.wfcdn.com/im/70784367/compr-r85/1463/146336697/apec-replacement-o-ring-for-10-or-20-big-blue-and-clear-water-filter-housing-o-ring-hb.jpg)