12 x 20 Merv 2 HVAC Pleated Filter, 12-Pack 2-Way + Product Details Size -

+ Product Details Size - 25"w X 24"h is the size for the duct opening measurement only

+ Product Details Size – 6" x 16" or 16" x 6" is the size for the duct opening measurement only

Rigid Built For External Use – The sturdy and rigid design features noise-free components that eliminate vibration and excess noise to the louvers

This metal box features a 10" width and 6" height

12 x 20 Merv 2 HVAC Pleated Filter, 12-Pack 2-Way + Product Details Size -The W shaped pleats enlarge the surface area for capturing dirt and particles for cleaner air Get 3 MERV 2 AC filters per pack while only paying for 2 Dimensions are interchangeable for rectangular filters, but not square ones Let air circulate and cycle through your HVAC without obstructions