Shelco 4.5" x 10" 1 Micron String Wound Sediment Pre-Filters Three Filters. Ultra-D water filters while the 20 micron outer

while the 20 micron outer wrap captures larger sediment

As an industry expert

efficiently and quickly captures particles of all sizes

Research has shown that these chemicals can potentially cause cancer

Shelco 4.5" x 10" 1 Micron String Wound Sediment Pre-Filters Three Filters. Ultra-D water filters while the 20 micron outerUse this Shelco highly effective filter as the first filter before the P4. 5 10 NanoCeram ultra filter. These are gradient density for longer life, string wound sediment pre filters. There are three layers of filtration, outer layer is 20 micron, second layer is 5 micron and the inner layer is 1 micron. NSF component, shrink wrapped for purity with the micron rating molded into the cartridge. PRICE SHOWN IS FOR 3 FILTERS!