Merv 13 Pleated Air Filter - 12 1/2" x 24 1/2" x 1" Quantity:12-pack with each stage capturing progressively

with each stage capturing progressively smaller particles inside the filter

PACK of 6 pads for Pad and Frame Air Filters

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

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

Merv 13 Pleated Air Filter - 12 1/2" x 24 1/2" x 1" Quantity:12-pack with each stage capturing progressivelyAny 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.