16" x 25" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Filter Grille Design – Unrestricted airflow for Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Design – Unrestricted airflow for your HVAC system - adjustable one-way louver with full horizontal airflow directional control - single deflection supply grill with 96% airflow - noise free components - no vibrating louvers etc

+ Product Details Size – 6"w X 10"h is the size for the duct opening measurement only

+ Product Details Size - 25"w X 18"h is the size for the duct opening measurement only

High Quality – high quality solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

+ Product Details Size - 24"w X 12"h is the size for the duct opening measurement only

16" x 25" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Filter Grille Design – Unrestricted airflow for Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Design – Unrestricted airflow for your HVAC system adjustable one way louver with full horizontal airflow directional control single deflection supply grill with 96% airflow noise free components no vibrating louvers etc + Product Details Size – 6"w X 10"h is the size for the duct opening measurement only