Glasfloss 22x26x1 - merv 10 -qty:6 - furnace air filter - made in usa (actual size: 21.5 x 25.5x7/8 inch)

Glasfloss 22x26x1 merv 10 ac or hvac furnace air filter. better performance than merv 8. the ashrae highly recommend to use minimum merv 10 rating at homes & offices to captures airborne particulates of 2.5 to 10 microns sizes. filter media: glasfloss furnace air filter media is 100% synthetic fibers, manufactured and supplied by kimberly-clarke a trust worthy usa company, which offer less airflow resistance and will save you in energy cost. performance test: the glasfloss heating or cooling furnace air filters must meet or exceed ansi/ashrae 52.2 test standards. the z-line filters are classified under ul 900 std and must withstand 180 f temperature.