Merv 11 Pleated Air Filter - 6" x 11" x 1" Quantity:12-pack with each stage capturing progressively

with each stage capturing progressively smaller particles inside the filter

The permanent frame is constructed of space-age plastics that are resistant to corrosion

The "Practical Pleat" media is up to 28 times more effective at capturing particles than standard fiberglass panel filters

They are easy to clean by simply backwashing every month with cold water so you don‰۪t need expensive cleaners

the greater it's resistance to airflow

Merv 11 Pleated Air Filter - 6" x 11" x 1" Quantity:12-pack with each stage capturing progressivelyAny 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.