Merv 11 Pleated Air Filter - 19 3/4" x 20 1/2" 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

To order washable electrostatic custom air filters you just need to know the size of the current air filter

insert the lamp and you‰۪re done

They are easy to install with custom air filters made to the sizes that you specify

This is designed to fit into 1" Return Air Grilles

Merv 11 Pleated Air Filter - 19 3/4" x 20 1/2" 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.