Merv 8 Pleated Air Filter - 30" x 36" x 2" Quantity:12-pack some just refer to them

some just refer to them as electrostatic filters

Includes one Frame and PACK of 6 pads

the A+2000 uses stage loading

Available in packs of 4

Some of the other benefits of A+2000 custom air filters include the following

Merv 8 Pleated Air Filter - 30" x 36" x 2" Quantity:12-pack some just refer to themAny 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.