Merv 13 Pleated Air Filter - 16 1/4" x 21 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.

PACK of 6 pads for Pad and Frame Air Filters

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

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than standard fiberglass filters purchased at retail outlets

In general

the greater it's resistance to airflow

such as dust

The A+2000 line is easy to maintain with no need to buy oils or adhesives to enhance effectiveness

Either way

degrade and restrict air flow

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

from the air stream