Merv 13 Pleated Air Filter - 21 1/2" x 23 1/4" x 1" Quantity:12-pack PACK of 6 pads for

PACK of 6 pads for Pad and Frame Air Filters

than standard fiberglass filters purchased at retail outlets

such as dust

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

This is designed to fit into 1" Return Air Grilles

Merv 13 Pleated Air Filter - 21 1/2" x 23 1/4" x 1" Quantity:12-pack PACK of 6 pads forAny 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.