16" Diameter - 90° Degree Adjustable Elbow - 1 PACK Access Door High Quality – Commercial grade

High Quality – Commercial grade aluminum - will never rust - designed for warehouses

+ Product Details Size - 16"w X 20"h is the size for the duct opening measurement only

purposes with tumbler lock & key (2 keys included) and can be installed on drywall

+ Product Details Size – 30" x 34" or 34" x 30" is the size for the duct opening measurement only

Smooth Powder Coat Finish: The grill boasts a sleek and smooth powder coat finish that not only adds a touch of elegance to your surroundings but also enhances its resistance against wear and tear

16" Diameter - 90° Degree Adjustable Elbow - 1 PACK Access Door High Quality – Commercial grade+ Product Details Size 16" round duct sheet metal elbow 30 gauge galvanized crimped end connection adjustable from 5 90 Premium Quality Made of galvanized metal to prevent corrosion, oxidation & rust from water & moisture that lasts longer requiring less maintenance Save money with this energy efficient material, maximizes airrflow and reduces fire hazards. Applications 30 Gauge thick & made of thick & durable galvanized sheet metal used for HVAC