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

The "Practical Pleat" contains over 500% greater surface area than a MERV 10 one-inch pleat

In general

You never have to hassle with disposable filters that will end up in a landfill again

the greater it's resistance to airflow

such as dust

Includes one Frame and PACK of 6 pads

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

from the air stream

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

the more efficient a filter is at removing particles

The permanent frame is constructed of space-age plastics that are resistant to corrosion

and the greater the pressure drop it creates