Compatible 20-Inch Replacement Pre-Filters for Aquasana EQ-304-20 (4-Pack)

This 20-inch sediment pre-filter is designed to protect your Aquasana Rhino system by preventing dirt, debris, and sediment particles from entering and clogging the main filter unit. Regular replacement every 3-6 months, depending on water quality and sediment levels, ensures optimal filtration performance and extends the lifespan of your main filter.