MERV 10 Rated: Captures particles as small as 1 micron for cleaner, healthier air. Efficient Filtration: Traps pollen, dust mites, mold spores, pet dander, and lint. Ideal for Residential & Light Commercial Use: Perfect balance of airflow and filtration efficiency. Improves Indoor Air Quality: Helps reduce allergy and asthma triggers. Long-Lasting Performance: Typically lasts up to 90 days under normal conditions. Sturdy Frame Design: Moisture-resistant and durable construction prevents warping. Protects HVAC System: Helps maintain system efficiency by reducing dirt buildup. Easy to Install: Simply slide into your existing air return or HVAC filter slot. Compatible Sizes Available: Offered in a variety of standard sizes for a perfect fit.