Merv 11 Pleated Air Filter - 17 1/2" x 17 1/2" x 1" Quantity:12-pack This design enables A+2000 custom

This design enables A+2000 custom air filters to maintain performance over the years

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

with each stage capturing progressively smaller particles inside the filter

if not you can measure it or check the HVAC unit and the owner‰۪s manual

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 17 1/2" x 1" Quantity:12-pack This design enables A+2000 customAny 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.