Rusco 34-100-F 34-100-F Rusco 3/4-100-F Polyester Screened Spin-Down Filter System The Rusco clear cover is made of high impact polymer resin for maximum strength and durability The top of the Rusco system is made of PVC- The Rusco sediment filters use centrifugal separation technology to filter sediment from water The top of the Rusco system is made of PVC- The Rusco sediment filters use centrifugal separation technology to filter sediment from water The Rusco filtration system has a polyester screen filter