Black Ops Replacement Pre-Filter 4 in x 12 in White (10/Cs)
Use these for a pre-filter on you Black Ops¨ Carbon Filters. Match the pre-filter to your Black Ops¨ Carbon Filter size. Helps to extend the life of your Black Ops¨ Carbon Filter by keeping dust and other particles out. The white pre-filters give a bright, clean appearance.
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