Merv 11 Pleated Air Filter - 19 3/8" x 19 3/8" x 1" Quantity:12-pack Simply cut a hole

Simply cut a hole

with each stage capturing progressively smaller particles inside the filter

such as dust

Because we specialize in custom air filters

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

Merv 11 Pleated Air Filter - 19 3/8" x 19 3/8" x 1" Quantity:12-pack Simply cut a holeAny 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.