Rusco 1-60ST-F Polyester Screen Sediment Trapper System The Rusco sediment trapper filters usecentrifugal separation technologyto filter sediment from water. The Rusco Sediment Trapper has a unique element design thattraps sediment in the lower reservoir of the clear cover. The debris settles in the bottom of the clear cover away from the filter screen. The Rusco Sediment Trapper model should be used over the Rusco Spin-Down model when there isheavy sedimentin the water supply. Flow capacity: 1-25 GPM, dimensions: 14-3/8 L X 5 W inches . The Rusco Sediment Trapper has a unique element design thattraps sediment in the lower reservoir of the clear cover. The debris settles in the bottom of the clear cover away from the filter screen. The Rusco Sediment Trapper model should be used over the Rusco Spin-Down model when there isheavy sedimentin the water supply. 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.