BestAir A201-SGM-BOX-11R A201-SGM-BOX11R Air Cleaning Furnace Filter with Cardboard Frame, MERV 11, for Aprilaire/SpaceGard 2200, 2250 (201) & Lennox PMAC-20C 24", 20" x 25" x 6", Single Pack

Filters out unwanted particles including dust lint, mold particles, pollen, bacteria, and virus carriers while allowing cleaner air to flow through

Designed to perform with high efficiency and minimum pressure drop; conserving energy and lowering costs to your HVAC system

Minimum Efficiency Reporting Value (MERV) of 11; generating better filtration and fewer particles and contaminants that pass through the filter

Using our best tech and design, the Bestir Furnace Filter is manufactured to trap up to 95% of Airborne Particles from 0. 3 to 10. 0 microns; Compared to a standard 1" fiberglass filter, this model is 25-30% more efficient when capturing large household particles passing through the filter

Fits: Aprilaire Space-Gard 2200, 2250 (201); Lennox PMAC-20C 24" - includes cardboard frame