Merv 8 Pleated Air Filter - 14 3/4" x 21 1/2" x 1" Quantity:12-pack A higher MERV rating means

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

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We can make custom air filters in heights and widths ranking from 6 inches to 36 7/8 inches with increments in 8ths of an inch

The permanent frame is constructed of space-age plastics that are resistant to corrosion

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

Merv 8 Pleated Air Filter - 14 3/4" x 21 1/2" x 1" Quantity:12-pack A higher MERV rating meansAny 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.