345-030

Improve your home's indoor air quality with this high-efficiency 21" x 26" x 4" MERV 11 pleated air filter. Designed for use in residential and commercial HVAC systems, this deep-pleat furnace filter effectively captures a wide range of airborne pollutants, including dust, pollen, pet dander, and mold spores. The MERV 11 rating provides superior filtration compared to standard fiberglass filters, making it an ideal choice for households with pets or allergy sufferers. By trapping contaminants before they reach your heating and cooling equipment, this replacement filter helps extend the life of your system while maintaining optimal airflow and energy efficiency.
Type: Air Filter and Cleaners
Size: Large Deep-Pleat
Dimensions: 26 inches × 21 inches × 4 inches
Application: Compatible with whole-house air cleaner cabinets, forced-air furnaces, and central air conditioning systems requiring high-capacity 4-inch media filters.
Specifications: MERV 11 efficiency rating; electrostatically charged pleated media; high dust-holding capacity; promotes cleaner indoor air and appliance longevity.