Merv 11 Pleated Air Filter - 17 1/2" x 21" x 1" Quantity:12-pack offers the quickest installation on

offers the quickest installation on the Planet

The A+2000 line is easy to maintain with no need to buy oils or adhesives to enhance effectiveness

is the ideal solution for healthier indoor environments for all homes and businesses

Keeps HVAC system cleaner and more efficient

And there are no metal parts that could lead to corrosion or oxidation within the filter

Merv 11 Pleated Air Filter - 17 1/2" x 21" x 1" Quantity:12-pack offers the quickest installation onAny 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.