A.O. Smith Whole House Sediment Water Filter Replacement Cartridge-2 Pack-20 Micron

The whole house 20 micron sediment replacement filters are for use with the whole house sediment filters (AO-WH-PREV or AO-WH-PRE). Use only certified, genuine A. O. Smith replacement filters for continued contaminant removal and system performance. Replace filter every 3 months.

• Compatible with A. O. Smith whole house sediment filters
• Reduces small particles that can't be seen by the human eye
• Last for up to 3 months