Rusco FS-1-1000ST Sediment Trapper Polyester Replacement Filter Rusco sediment filters make solid particle removal simple and economical. The Rusco replacement screen elements should be replaced approximately every 6 months to a year. The Rusco replacement screen elements should be replaced approximately every 6 months to a year. The Rusco replacement filter screen can be cleaned several times before needing to be replaced. The Rusco filter screen is easy to clean. No tools required.