Merv 11 Pleated Air Filter - 19 3/8" x 23 1/8" x 1"Any 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.

these can be purchased in any conceivable size

built to last a lifetime

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

The "Practical Pleat" media is up to 28 times more effective at capturing particles than standard fiberglass panel filters

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

the greater it's resistance to airflow

oxidation and deterioration

Either way

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

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

from the air stream

and the greater the pressure drop it creates