Merv 13 Pleated Air Filter - 6 3/4" x 7 1/4" x 1" Quantity:12-pack the more efficient a filter

the more efficient a filter is at removing particles

28X Increased Efficiency

The SpeedLight䋢 Jr

Includes one Frame and PACK of 6 pads

we even have the odd sizes

Merv 13 Pleated Air Filter - 6 3/4" x 7 1/4" x 1" Quantity:12-pack the more efficient a filterAny 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.