Merv 8 Pleated Air Filter - 13" x 21 1/2" x 1" Quantity:12-pack To learn more

To learn more

the greater it's resistance to airflow

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

some just refer to them as electrostatic filters

from the air stream

Merv 8 Pleated Air Filter - 13" x 21 1/2" x 1" Quantity:12-pack To learn moreAny 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.