Merv 13 Pleated Air Filter - 16 1/2" x 21" x 1" Quantity:12-pack the "A+2000" brand Permanent Washable

the "A+2000" brand Permanent Washable Electrostatic custom air filters are truly quality products

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

Produces no ozone or aldehydes

Keeps HVAC system cleaner and more efficient

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

Merv 13 Pleated Air Filter - 16 1/2" x 21" x 1" Quantity:12-pack the "A+2000" brand Permanent WashableAny 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.