Merv 13 Pleated Air Filter - 18 3/8" x 21 1/2" x 1" Quantity:12-pack allowing the grease to drain

allowing the grease to drain into through below

with each stage capturing progressively smaller particles inside the filter

and long service life which reduces HVAC equipment maintenance and energy costs

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

Water resistant lamp connection

Merv 13 Pleated Air Filter - 18 3/8" x 21 1/2" x 1" Quantity:12-pack allowing the grease to drainAny 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.