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Empty Refillable Cartridge 4.5" x 20" for Big Blue 20" Housings
- 4.5 x 20 inches
- White refillable cartridge
- Durable construction
- Excellent flow rate
- 4.5 x 20 inches
- White refillable cartridge
- Durable construction
- Excellent flow rate
- Qty discount available @ 6