BestAir contractor series 24 in. x 24 in. x 4 in. air filter serves as a universal replacement for any 4 in. furnace filter size 24 in. x 24 in. Designed to perform with high efficiency and minimum pressure drop conserving energy and lowering costs. Filter life up to 6-months.
Designed to perform with high efficiency and minimum pressure drop conserving energy and lowering costs
Using our best technology and design， this BestAir filter is manufactured to trap up to 95% of airborne particles from 0.3 to 10.0 microns
Minimum efficiency reporting value (MERV) of 8 generating better filtration with fewer particles and contaminants that pass through the filter
Filters dust， lint， pollen， bacteria， and viruses
Changeout reminders available through subscription service option
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