Merv 11 Pleated Air Filter - 26" x 32" x 1" Quantity:12-pack One way to overcome this

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

This is designed to fit into 1" Return Air Grilles

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

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

Merv 11 Pleated Air Filter - 26" x 32" x 1" Quantity:12-pack One way to overcome thisAny 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.