14 x 8 Merv 2 HVAC Pleated Filter, 12-Pack 12in diameter + Product Details Size -

+ Product Details Size - 12"w X 18"h is the size for the duct opening measurement only

+ Product Details Size & Compatibility – The size of sheet metal pipe is 7" round x 120" long

This 22" X 8" end cap is constructed with 26-gauge galvanized steel

+ Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 8" X 6" X 4"

actual front end outer dimensions are approximately 26 5/8" width X 32 5/8" height

14 x 8 Merv 2 HVAC Pleated Filter, 12-Pack 12in diameter + 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