Pre-Filter Replacement Cartridge - 4 Pack

5 micron sediment filter removes rust, sediment and silt from your water. The Austin Springs Whole House Sediment Pre-Filter provides first stage filtration for the Whole House System to reduce rust, sediment and silt. Pre-Filters should be replaced every 25-50,000 gallons depending on usage. 4.5 in. L x 4.5 in. W x 9 in. H (2 lbs).