• Manufacturer: Hydro Guard • Filter HDG-SED5• 5 Micron filtration • To be replaced every 6 months• Bacterial Removal • Quick and Easy Install• Micronban® Antimicrobial Protection The HDG-SED5 pre-filter is a specially manufactured high performance sediment filter designed to have a high dirt-holding capacity, reduce sediment and rust particles and exend the life of downstream filters. The microfine web design traps more particles and helps keep other filters in the filtration system working at optimal performance.FEATURES: Reduces sand, silt, soil, and other sediment from the water For use in C1000, C2000 countertop systems For use in U2000, U3000, U4000 undercounter systems For use in HDG-45LRCP reverse osmosis system Original, OEM factory product from Hydronix Approximate Dimensions - 11-1/2" L x 2" Dia Change every 6 months