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Campbell CM431 Filter Cartridge Air Conditioner & Furnace Filters Standard baseline filtration built into DFS FUJ SF0022x2 AC16DO16KIT BNDLKIT LZAS Standard baseline filtration built into the intake grille of Fujitsu mini split units Maintenance & Care: This lamp should be replaced every two (2) years The Campbell CM431 phosphate based cartridge forms a protective layer inside pipes to prevent corrosion Key Features:
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