12 x 6 Merv 2 HVAC Pleated Filter, 12-Pack return filter Designed with a ring base

Designed with a ring base for flexible installation

+ Product Details Size – 12" X 24" is the size for the drywall opening measurement only

+ Product Details Size – 26"w X 10"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 14" OR 14" x 30" duct opening (measured at the opening)

+ Product Details Size – 34" x 34" is the size for the duct opening measurement only

12 x 6 Merv 2 HVAC Pleated Filter, 12-Pack return filter Designed with a ring baseThe 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