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Standard Polyester 1" MERV 5 Standard-Capacity Throw-A-Way Filter
(We recommend a Polyester 1" filter change every month or 12 times per year. For DIRTY environments or most efficient filtration, you may need to change filters more often...do twice-a-month visual checks for the first few months.) This filter protects your HVAC system. The monobond pinched frame makes the filter...