20 x 10 Merv 2 HVAC Pleated Filter, 12-Pack sidewall Ideal for Walls & Ceilings:

Ideal for Walls & Ceilings: Designed for seamless installation in standard 24" X 6" duct openings

Actual Filter Size – 31 3/4"w x 11 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 32" x 10" OR 10" x 32" duct opening (measured at the opening)

Ideal for Walls & Ceilings: Designed for seamless installation in standard 10” x 8” duct openings

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 34" OR 34" x 24" duct opening (measured at the opening)

20 x 10 Merv 2 HVAC Pleated Filter, 12-Pack sidewall Ideal for Walls & Ceilings: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