HF4320 Replacement Spa Filter Cartridge for PA20-4 and Unicel C-4320, 50 sq. ft. Filtration Area
$28.99
Pay $3.99 after $25 OFF your total qualifying purchase upon opening a new card. 
Apply for a Home Depot Consumer Card- Advanced point bond filter media traps debris and dirt
- Pleat material, end caps, and max flow cores for superior quality
- Fits Unicel C-4320, PA20/4
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