Merv 11 Pleated Air Filter - 9" x 11 3/4" x 1" Quantity:12-pack We look forward to delivering

We look forward to delivering our American-made

Either way

Includes one Frame and PACK of 6 pads

some just refer to them as electrostatic filters

This is a 5" MERV 10 HIGH PERFORMANCE AIR FILTER

Merv 11 Pleated Air Filter - 9" x 11 3/4" x 1" Quantity:12-pack We look forward to deliveringAny 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.