The VuFlow ORing Kit Rusco Replacement O-Ring fits all Rusco 1-inch Spin-Down Filters, Sediment Trapper Filters VuFlow ORing Kit , Hot Water Filters, and Chemically Resistant Filters. The Rusco Replacement O-Ring fits all Vu-Flow 1-inch VuFlow ORing Kit Screen Filters or Sand Separator Filters. The Rusco 1OR O-Ring Kit includes an o-ring for the cover and an o-ring for the filter screen VuFlow ORing Kit . VuFlow ORing Kit Note that replacement covers come with a replacement cover o-ring, and replacement filter screens come with a filter screen o-ring VuFlow ORing Kit .