Merv 13 Pleated Air Filter - 18" x 20" x 1" Quantity:12-pack The "Practical Pleat" contains over

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

the greater it's resistance to airflow

We can make custom air filters in heights and widths ranking from 6 inches to 36 7/8 inches with increments in 8ths of an inch

Filtering inserts are shipped in an easily stored packet

degrade and restrict air flow

Merv 13 Pleated Air Filter - 18" x 20" x 1" Quantity:12-pack The "Practical Pleat" contains overAny 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.