32" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum Bar + Product Details Size –

+ Product Details Size – 14" x 32" or 32" x 14" is the size for the duct opening measurement only

14" Circular Round Aluminum HVAC Supply Grille Air Diffuser - With Butterfly Damper - Vent Duct Cover

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 25" OR 25" X 16" duct opening (measured at the opening)

+ Product Details Size - 36"w X 6"h is the size for the duct opening measurement only

ventilating and cooling

32" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum Bar + Product Details Size –Strong aluminum frame & cube core that never rusts Rigid design with noise free components quiet airflow Cubic core eggcrate design has the highest rate of airflow efficiency