Merv 13 Pleated Air Filter - 19 7/8" x 21 3/8" x 1" Quantity:12-pack built to last a lifetime

built to last a lifetime

some just refer to them as electrostatic filters

To find the size the old unit should have sizing information printed on it

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

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

Merv 13 Pleated Air Filter - 19 7/8" x 21 3/8" x 1" Quantity:12-pack built to last a lifetimeAny 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.