Resistant to both chemicals and bacteria, the 20 inch x 4.5 inch Pleated Sediment Water Filter by Tier1 (1 Micron) is an ideal fit for residential, commercial or industrial applications. Pleated design helps this filter hold more dirt and particles, while its makeup of washable polyester helps you go as long as possible between filter changes. A comparable product may be substituted. Reduce sediment that can impact the quality of your drinking water or corrode your appliances by ordering and installing the 20 inch x 4.5 inch Pleated Sediment Water Filter by Tier1 (1 Micron) today.