Merv 11 Pleated Air Filter - 23 1/2" x 27" x 1" Quantity:12-pack the A+2000 uses stage loading

the A+2000 uses stage loading

The "Practical Pleat" contains over 500% greater surface area than a MERV 10 one-inch pleat

PACK of 6 pads for Pad and Frame Air Filters

Produces no ozone or aldehydes

yet powerful solution for air stream disinfection or coil irradiation

Merv 11 Pleated Air Filter - 23 1/2" x 27" x 1" Quantity:12-pack the A+2000 uses stage loadingAny Kind of Filter's Extended Surface Pleated Filters outperform ordinary furnace filters with medium efficiency and are designed for lower pressure drop, and long service life which reduces HVAC equipment maintenance and energy costs. A higher MERV rating means that the air filter that you are about to purchase possesses a higher amount impurity filtration ability than your ordinary filter.