Merv 11 Pleated Air Filter - 14" x 36" 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

Finally they are factory made so you don‰۪t have to deal with the hassle of trying to cut and size your custom air filters and they come with a full warranty

built to last a lifetime

than standard fiberglass filters purchased at retail outlets

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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

the A+2000 uses stage loading

from the air stream

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

some just refer to them as electrostatic filters