21 1/2x23 5/16x1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 4 Pack (Actual Size: 21 1/2" x 23 5/16" x 3/4") 21 1/2x23 5/16x1 Air Filter

• ＋ High Efficiency: MERV 11 rating captures more particles
• ＋ Convenient Pack: Comes in a 4-pack for longer use
• ＋ Custom Fit: Actual size 21 1/2" x 23 5/16" x 3/4"
• ＋ Improves Air Quality: Helps in filtering dust and allergens

21 1/2x23 5/16x1 Carrier Replacement Filter by Aerostar - MERV 11, Box of 4

Replaces Bryant/Carrier part # KFAFK0412XXL

Fits:

• FV4
• FK4
• FC4
• FB4
• FA4
• FH4
• FA4CNC060
• FC4BNB054000AEAA
• FC4CNB054
• FE4ANB006
• FK4DNB006
• FV4BNB006
• FX44B
• FX4CNF060

Pleated MERV 11 Media

Comparable to MPR 1000 to 1200 and FPR 7

Improve Indoor Air Quality

Protect your family and loved ones with clean indoor air quality at home. Aerostar filters are a simple and cost effective step towards a healthier home environment, free of airborne allergens and particles that can trigger various allergy and asthma symptoms.

Reduce Cost

An Aerostar furnace air filter helps keep your HVAC unit working efficiently by removing dirt and reducing strain on the motor. When your unit runs properly, it consumes less energy, requires less maintenance and will have a longer life. These factors will have an impact on your utility bill and maintenance costs. It is recommended that you change the filter every 60 to 90 days during normal times of year but increase frequency to 30 days during peak summer and winter months when your unit is working the hardest.

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.

What's in the Box

Box of four Aerostar MERV 11 Pleated Furnace Air Filters. MERV 11 filters are comparable to MPR 1000 to 1200 and FPR 7 ratings Nominal Size: 21-1/2 x 23-5/16 x 1, Actual Size: 21-1/2" x 23-5/16" x 3/4", Size: 21 1/2x23 5/16x1, AC and Furnace Air Filters

• Nominal: 21-1/2 x 23-5/16 x 1, Size: 21-1/2"x23-5/16"x3/4" 21 1/2x23 5/16x1, AC Furnace Air Filter
• 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, 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