Rusco FS-1-60 Spin-Down Polyester Replacement Filter 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. 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. Rusco sediment filters make solid particle removal simple and economical.