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

+ Product Details Size – 24"w X 36"h is the size for the duct opening measurement only

back blades made of black plastic for reduced air noise and discreet appearance

The integrated eight-tumbler lock system

actual front end outer dimensions are approximately 38 5/8" width X 32 5/8" height -

actual front end outer dimensions are approximately 34 5/8" width X 20 5/8" height

32" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Floor Grille + 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