Merv 8 Pleated Air Filter - 13 3/4" x 17 3/4" 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

And there are no metal parts that could lead to corrosion or oxidation within the filter

these can be purchased in any conceivable size

high quality Air Filters to you

Instead of face loading (particles captured on the outer surface of the filter)

Merv 8 Pleated Air Filter - 13 3/4" x 17 3/4" 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.