Merv 11 Pleated Air Filter - 14" x 22" x 1" Quantity:12-pack No holes needed for installation

No holes needed for installation in coil area

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

Keeps HVAC system cleaner and more efficient

This is a 5" MERV 10 HIGH PERFORMANCE AIR FILTER

And there are no metal parts that could lead to corrosion or oxidation within the filter

Merv 11 Pleated Air Filter - 14" x 22" x 1" Quantity:12-pack No holes needed for installationAny 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.