Merv 8 Pleated Air Filter - 7 1/2" x 35 1/2" x 1" Quantity:12-pack They are constructed from 304

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

built to last a lifetime

To find the size the old unit should have sizing information printed on it

You may know them as washable air or even permanent air filters

This design enables A+2000 custom air filters to maintain performance over the years

Merv 8 Pleated Air Filter - 7 1/2" x 35 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.