Merv 13 Pleated Air Filter - 15 1/2" x 19 1/2" x 1" Quantity:12-pack They are constructed from 304

They are constructed from 304 Stainless Steel material formed to exact specifications

The secret behind the A+2000‰۪s custom air filters performance is the patented stage loading/peak and valley design

No holes needed for installation in coil area

precisely designed to prevent flame from penetrating the filters and as the grease laden air passes through the filter is collects the grease

PLEASE NOTE: Dimensions listed are HxWxD

Merv 13 Pleated Air Filter - 15 1/2" x 19 1/2" x 1" Quantity:12-pack They are constructed from 304Any 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.