10 x 10 Merv 2 HVAC Pleated Filter, 12-Pack Width_20in + Product Details Size -

+ Product Details Size - 6"w X 34"h is the size for the duct opening measurement only

Each grille is securely shrink-wrapped with a cardboard backing to prevent damage during shipment

actual front end outer dimensions are 21" width X 21" height

Easy Installation – Complete set of sponge gasket and mounting frame included

10 x 10 Merv 2 HVAC Pleated Filter, 12-Pack Width_20in + 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