When your unit runs properly, it consumes less energy, requires less maintenance and will have a longer life. Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, and smoke. Nominal Size: 16 3/8x21 1/2x1; Actual Size: 16 1/2 x 21 1/2 x 3/4 16 3/8x21 1/2x1 Carrier Replacement Filter by Aerostar - MERV 11, Box of 12 Replaces Bryant/Carrier part # KFAFK0212MED Fits HVAC Unit Models: Bryant/Carrier/Payne: 030/036, FV4, FK4, FC4, FB4, FA4, FH4, FA4ANC036, FA4ANF030, FA4ANF036, FA4BNF036, FA4CNC024, FA4CNC030, FA4CNF030, FB4ANA036, FB4ANF030, FB4ANF036, FB4BNF030, FE4ANF002, FX4ANF030, FX4BNF030, FX4CNF024, FX4DNB019, FX4DNB025, FX4DNF019, FX4DNF025, PF1MNA036 (2., 5 - 3 Tons) Pleated MERV 11 Media Comparable to MPR 1000 to 1200 and FPR 7 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens between 1 - 10 microns, including lint, dust mites, spores, pollen, pet dander, dust, and smoke. HDX16.​75 in.​ x 21.​5 in.​ x 1 in.​ Premium Pleated Air Filter FPR 10, MERV 12. Model# HDX1P10-0095. $22.20. (4.6 / 12621). Ship to Store: Free | Pickup 100% synthetic electrostatic media for high efficiency with low air flow resistance About Aerostar Air Filters Aerostar filters are manufactured in the USA by Filtration Group, a world-leading manufacturer and supplier of filtration solutions for residential, commercial and industrial applications. The Aerostar brand is known for constantly innovating and improving their technology to help make filtration more efficient, effective and environmentally friendly every day. The Best MERV 11 Air Filters Guide - HVAC Solvers Allergen Dust Mite Pollen Filter Aerostar 16 1/4x21 1/2x1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 12 Pack (Actual Size Air Filter 16 3/8 X 21 1/2 X 1 Comparable to MPR 1000 to 1200 Micro Allergen Defense and Honeywell Allergen Plus FPR 7 Aerostar filters are manufactured in the USA by Filtration Group, a world-leading manufacturer and supplier of filtration solutions for residential, commercial and industrial applications For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months