EQ-300 sediment pre-filter cartridge 4-pack, for use with Rhino Whole House Filter System, or any other system that uses standard 10"x2.5" 5-micron sediment cartridges. Sediment pre-filter cartridges should be replaced every 3-6 months.
The sediment pre-filter is used to prevent dirt and sediment particles from entering and clogging the main Rhino filter unit. The cartridges should be replaced every 3-6 months depending on water quality, sediment levels and water usage. Replace when color darkens or water flow slows.
Also consider great alternative - GE 5 micron sediment filters