Merv 13 Pleated Air Filter - 21 1/2" x 22" x 1" Quantity:12-pack A higher MERV rating means

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

Then simply add that information to our easy to use order form above

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

the greater it's resistance to airflow

Merv 13 Pleated Air Filter - 21 1/2" x 22" x 1" Quantity:12-pack A higher MERV rating meansAny 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.