Merv 8 Pleated Air Filter - 13 1/4" x 26" x 1" Quantity:12-pack The Pad and Frame Air

The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts

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

They are easy to clean by simply backwashing every month with cold water so you don‰۪t need expensive cleaners

Available in packs of 4

This is a 5" MERV 10 HIGH PERFORMANCE AIR FILTER

Merv 8 Pleated Air Filter - 13 1/4" x 26" x 1" Quantity:12-pack The Pad and Frame 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.