Merv 11 Pleated Air Filter - 17 1/2" x 21" 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.

Filtering inserts are anti-microbial and are more efficient in capturing particles

these can be purchased in any conceivable size

åÊWe look forward to delivering our American-made

than standard fiberglass filters purchased at retail outlets

so it can provide a lifetime of dependable service

UL/ULC listed

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Produces no ozone or aldehydes

Either way

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

insert the lamp and you‰۪re done

Instead of face loading (particles captured on the outer surface of the filter)