21.5x21.5x1 MERV 8-6 Count - High Efficiency Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Lint, Mold & Allergy-Causing Pollen MERV 8 (21 1/2x21 1/2x1) 6

• ＋ High Efficiency filters
• ＋ MERV 8 rating for good allergen removal
• ＋ Removes dust, lint, mold and pollen
• ＋ Pleated design for increased surface area
• ＋ Fits HVAC, furnace & air conditioner units

• Nominal Size: 21 1/2x21 1/2x1; Actual Size: 21 1/2" x 21 1/2" x 3/4"
• Comparable to MPR 600 Clean Living and Honeywell Micro Defense Plus FPR 5
• Designed to filter microscopic particles such as lint, dust mites, spores, and pollen.
• 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