16" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Powder-Coateded + Product Details Size –

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

improving indoor air quality

Incorporated with Integral Butterfly Damper for full Airflow Control

This access door is renowned for its strength and resilience

+ Product Details Size - 4"w X 26"h is the size for the duct opening measurement only

16" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Powder-Coateded + Product Details Size –+ Product Details Size 16"w X 30"h is the size for the duct opening measurement only, [Outer Dimensions: 18. 5"w X 32. 5"h] Actual Filter Size 15 3 4"w x 29 3 4" x 1" High Quality High quality rust free, strong aluminum construction with smooth finished edges for easy and safe use; Filter grille features a user friendly plastic latch that requires no screwdriver for opening. Installation Location Sidewall and ceiling. Design Heavier gauge than needed,