Built to resist both chemicals and bacteria, the 20 inch x 4.5 inch Pleated Sediment Water Filter by Tier1 (20 Micron) is a washable and reusable part that is ideal for use in residential, commercial and industrial applications. Constructed from durable polyester, this filters uniquely pleated design empowers it with greater dirt-holding capacity allowing it to last far longer than similarly sized, non-pleated varieties. Provides maximum performance and transforms even the most sediment-filled water into a premium quality beverage! Fits into select Liquatec, Watts and Pentek filter housings. A comparable product may be substituted. Order the 20 inch x 4.5 inch Pleated Sediment Water Filter by Tier1 (20 Micron) today.