Merv 8 Pleated Air Filter - 13 1/2" x 15 1/2" x 1" Quantity:12-pack This design enables A+2000 custom

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

This is designed to fit into 1" Return Air Grilles

if not you can measure it or check the HVAC unit and the owner‰۪s manual

It is designed to inhibit growth of bacteria

The secret behind the A+2000‰۪s custom air filters performance is the patented stage loading/peak and valley design

Merv 8 Pleated Air Filter - 13 1/2" x 15 1/2" x 1" Quantity:12-pack This design enables A+2000 customAny 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.