Merv 8 Pleated Air Filter - 13 1/4" x 13 1/4" x 1" Quantity:12-pack You never have to hassle

You never have to hassle with disposable filters that will end up in a landfill again

28X Increased Efficiency

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

We look forward to delivering our American-made

if not you can measure it or check the HVAC unit and the owner‰۪s manual

Merv 8 Pleated Air Filter - 13 1/4" x 13 1/4" x 1" Quantity:12-pack You never have to hassleAny 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.