14" X 8" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 5in diameter Easy to install and durable

Easy to install and durable

+ Product Details Size – 20"w X 14"h is the size for the duct opening measurement only

Tamper-Proof Locking Mechanism – Includes an eight-tumbler lock with a supplied key to prevent unauthorized access

+ Product Description Introducing our 8" x 20" or 20" x 8" Floor Grille - a reliable and durable air grill designed for exceptional performance and built to last

+ Product Details Perfect Fit & Easy Sizing - Designed for a 34" x 28" Or 28" x 34" duct opening (measured at the opening)

14" X 8" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 5in diameter Easy to install and durable+ Product Details Size 14"w X 8"h is the size for the duct opening measurement only, [Outer Dimensions: 16. 5"w X 10. 5"h] Actual Filter Size 13 3 4"w x 7 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,