Rhino EQ-300 Pre-Filter - 4 Pack by Sun Water System
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Sediment Pre-filter Cartridge 4-Pack, for use with the Whole House Water
The sediment pre-filter is used to prevent dirt and sediment particles from entering and clogging the main filter unit. This cartridge should be replaced every 3-6 months depending on water quality and sediment levels. Change when color darkens or water flow slows.