Merv 8 Pleated Air Filter - 13" x 21 1/2" 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

PACK of 6 pads for Pad and Frame Air Filters

The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts

so it can provide a lifetime of dependable service

the greater it's resistance to airflow

Merv 8 Pleated Air Filter - 13" x 21 1/2" 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.