Merv 11 Pleated Air Filter - 19 3/8" x 23 1/8" x 1" Quantity:12-pack Unlike some permanent custom air

Unlike some permanent custom air filters

Includes one Frame and PACK of 6 pads

They are easy to install with custom air filters made to the sizes that you specify

high quality Air Filters to you

the greater it's resistance to airflow

Merv 11 Pleated Air Filter - 19 3/8" x 23 1/8" x 1" Quantity:12-pack Unlike some permanent custom airAny 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.