Merv 11 Pleated Air Filter - 9" x 11 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.

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

åÊWe look forward to delivering our American-made

UL/ULC listed

This is designed to fit into 1" Return Air Grilles

oxidation and deterioration

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

Produces no ozone or aldehydes

we even have the odd sizes

Magnetic mount holds lamp in place

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

Keeps HVAC system cleaner and more efficient

Available in packs of 4