20 Micron Sediment Filter Cartridge - 4.5 x 10 Water Sentinel NOTE: This cartridge should be

NOTE: This cartridge should be flushed for a few minutes prior to first use in order to remove excess carbon fines

including Humidifiers and Air Purifiers

Because of this durability and long life

lock washer

20 Micron Sediment Filter Cartridge - 4.5 x 10 Water Sentinel NOTE: This cartridge should beHydronix SDC 45 1020 20 Micron Sediment Filter Cartridge 4. 5 x 10 Micron Rating: 20 MICRON The 4. 5 diameter SF BB filters have true multi stage depth filtration integrated into their design. Utilizing PureGen technology to create 4 separate layers of micron filtration, the outside in flow allows the outer layer to trap the larger sized particles, resulting in a much lower pressure drop compared to conventional filters.