Merv 11 Pleated Air Filter - 8 3/4" x 21 1/2" 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.

åÊWe look forward to delivering our American-made

The filtering media consists of two layers of Stainless Steel roll formed baffles

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compact electronic power supply

They are easy to clean by simply backwashing every month with cold water so you don‰۪t need expensive cleaners

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

we even have the odd sizes

is the ideal solution for healthier indoor environments for all homes and businesses

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

We look forward to delivering our American-made

One way to overcome this problem is to increase the surface area of the filter media

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