Made of durable polyester, the FS-1-100 Rusco Spin-Down replacement water filter helps effectively keep large particles out of your home's water. Easy to install without the use of tools, the Rusco screen elements will last up to one full year while the Rusco filter screen may be cleaned. Designed to reduce all types of sediment that can impact drinking water quality and damage appliances, including shale, debris, sand and grit. This filter is 100 mesh, 152 micron and sized to fit one-inch pipe.