Merv 11 Pleated Air Filter - 14" x 18" x 1" Quantity:12-pack Filtering inserts are shipped in

Filtering inserts are shipped in an easily stored packet

so it can provide a lifetime of dependable service

Filtering inserts are anti-microbial and are more efficient in capturing particles

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

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

Merv 11 Pleated Air Filter - 14" x 18" x 1" Quantity:12-pack Filtering inserts are shipped inAny 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.