Merv 11 Pleated Air Filter - 21 1/2" x 23 5/8" 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.

To find the size the old unit should have sizing information printed on it

The "Practical Pleat" media is up to 28 times more effective at capturing particles than standard fiberglass panel filters

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

please click HERE to read detailed brochure (Adobe Reader PDF file)

The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts

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

Easy Installation and ServiceåÊ

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

Simply cut a hole

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

some just refer to them as electrostatic filters

precisely designed to prevent flame from penetrating the filters and as the grease laden air passes through the filter is collects the grease