Merv 11 Pleated Air Filter - 17" x 19" x 1" Quantity:12-pack The filtering media consists of

The filtering media consists of two layers of Stainless Steel roll formed baffles

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

yet powerful solution for air stream disinfection or coil irradiation

Eliminates Filter Bypass

Either way

Merv 11 Pleated Air Filter - 17" x 19" x 1" Quantity:12-pack The filtering media consists ofAny 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.