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Aerostar 16 3/8x21 1/2x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 4 Pack (Actual Size 16 1/2 x 21 1/2 x 3/4 )
Nominal Size 16-3/8 x 21-1/2 x 1, Actual Size 16-3/8 x3/4 Comparable to MPR 1500 to 1900 Ultimate Allergen Defense and Honeywell Allergen Elite FPR 10 Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, smoke, and bacteria. Simple to install and a cost-effective step towards a healthier home environment

Price is $77.00
Price: $77.13