Photo 1 of AC Safe 20 in. W x 20 in. H Polyester Box Fan Filter (1 fan filter + 4 filter clips)

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Photo 1 of AC Safe 20 in. W x 20 in. H Polyester Box Fan Filter (1 fan filter + 4 filter clips)Photo 2 of AC Safe 20 in. W x 20 in. H Polyester Box Fan Filter (1 fan filter + 4 filter clips)