Aerostar 21.5x23.375x1 MERV 8 Air Filter, Pleated AC Furnace HVAC Filters (21.5x23.375x0.75), Electrostatically Charged for Allergies Dust Pet Dander Pollen Mold Lint, MPR 600 FPR 5, USA, 4 Pack

21 1/2x23 3/8x1 AC and Furnace Air Filter by Aerostar - MERV 8, Box of 4 Pleated MERV 8 Media Comparable to MPR 600 and FPR 5 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens between 3 - 10 microns, including lint, dust mites, spores, pollen, pet dander, and dust. 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 8 Pleated Furnace Air Filters. MERV 8 filters are comparable to MPR 600 and FPR 5 ratingsNominal Size: 21 1/2 x 23 3/8 x 1, Actual Size: 21 1/2" x 23 3/8" x 3/4" , Size: 21 1/2x23 3/8x1, AC and Furnace Air Filters

• UNIVERSAL COMPATIBILITY: Fits 1-inch slot in Carrier, Bryant, Trane, Lennox, Rheem, Goodman, York, Ruud, Honeywell HVAC systems. Nominal Size: 21.5x23.375x1 | Actual Size: 21 1/2x23 3/8x3/4. Replaces Filtrete MPR 600 and Honeywell FPR 5.
• MERV 8 FILTRATION (MPR 600 / FPR 5): Captures 90% of particles including dust, pollen, pet hair, pet dander, mold spores, lint, dust mites. Improves air quality while protecting your HVAC system from buildup, extending lifespan and efficiency.
• ELECTROSTATICALLY CHARGED PLEATED DESIGN: Premium pleated media attracts and captures particles more effectively than standard filters. Deep pleats maximize surface area without restricting airflow, reducing energy costs and extending HVAC lifespan.
• LONG-LASTING, DURABLE CONSTRUCTION: Heavy-duty moisture-resistant frame with reinforced pleats prevents collapse and air bypass. Provides 90 days of reliable performance. Replace every 90 days, or sooner with pets, smokers, or high dust.
• PROUDLY MADE IN THE USA: Manufactured with premium materials in American facilities to strict quality control standards. Eco-friendly sustainable production with compliance to U.S. air quality and safety standards. Supports American jobs and economy.