Merv 11 Pleated Air Filter - 17 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

The A+2000 line is easy to maintain with no need to buy oils or adhesives to enhance effectiveness

is the ideal solution for healthier indoor environments for all homes and businesses

from the air stream

The unit also includes a magnetic mounting bracket for optional installation inside air handlers

Merv 11 Pleated Air Filter - 17 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.