20 in. Big Blue Specialty Calcite Low pH Neutralizing Replacement Water Filter Cartridge
$65.95
Pay $40.95 after $25 OFF your total qualifying purchase upon opening a new card. 
Apply for a Home Depot Consumer Card- Fits standard 20 in. Big Blue whole house systems
- Helps neutralize low pH and acidic traces
- Efficiently treats up to 12,000 gal. of water
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