About This

• Nominal Size: 21 1/2x21 1/2x1; Actual Size: 21 1/2" x 21 1/2" x 3/4"
• Comparable to MPR 1000 to 1200 Micro Allergen Defense and Honeywell Allergen Plus FPR 7
• Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, and smoke.
• Simple to install and a cost-effective step towards a healthier home environment. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months
• 100% synthetic electrostatic media for high efficiency with low air flow resistance

Overview

• Brand : Aerostar
• Material : Synthetic Electrostatic Media
• Product Dimensions : 21.5"L x 21.5"W x 0.75"Th
• MERV Rating : 11.00
• Compatible Devices : Furnace
• Item Weight : 16 ounces
• UPC : 192212065912
• Air Filter Construction : Pleated
• Number of Items : 6
• Manufacturer : Filtration Group