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

This price includes 3 pre-filters

Research has shown that these chemicals can potentially cause cancer

efficiently and quickly captures particles of all sizes

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!