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The Pentek, Ametek WP1BB20P String Wound Polypropylene Filter is the affordable solution for reducing fine sand, dirt, rust, scale, and sediment particles from your water.
This filter is constructed of durable polypropylene string that is wound tightly around a solid polypropylene core for maximum efficiency and filtration. Part number 355222.
The WP1BB20P specifications:
The WP1BB20P fits the Culligan / Ametek / Pentek and other brand Big Blue 20" housings. Filter life depends on water quality and usage. If you see a significant drop in pressure you should change your cartridge.