Do it Efficiency Rated Allergen Plus Furnace Filter, 14 x 25 x 1 in. superior air filtration with a MERV 8 efficiency rating, making it 15 times more effective than standard fiberglass filters. This HVAC air filter effectively removes microscopic particles that can cause stains on walls and furnishings, as well as aggravate seasonal allergies. It provides protection against common allergens such as ragweed pollen, mold spores, dust mite debris, pet dander, and dust or lint. Designed for low airflow resistance, this filter helps save on energy costs while ensuring your furnace and air conditioning units are well protected. With a lifespan of up to 90 days, it delivers long-lasting performance and cleaner indoor air. Model Number: 424528