Merv 13 Pleated Air Filter - 13" x 20 3/4" x 1" Quantity:12-pack so it can provide a

so it can provide a lifetime of dependable service

No screws need

28X Increased Efficiency

than standard fiberglass filters purchased at retail outlets

the greater it's resistance to airflow

Merv 13 Pleated Air Filter - 13" x 20 3/4" x 1" Quantity:12-pack so it can provide aAny 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.