Merv 8 Pleated Air Filter - 6 1/2" x 6 1/2" x 1" Quantity:12-pack the greater it's resistance to

the greater it's resistance to airflow

You never have to hassle with disposable filters that will end up in a landfill again

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

we even have the odd sizes

Either way

Merv 8 Pleated Air Filter - 6 1/2" x 6 1/2" x 1" Quantity:12-pack the greater it's resistance toAny 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.