18" Diameter - 90° Degree Adjustable Elbow - 1 PACK Color_Aluminum + Product Details Size -

+ Product Details Size - 32"w X 28"h X 2"d (for duct opening measurement only)

We carry sizes the big box stores don't

+ Product Details Size - 14"w X 14"h X 2"d (for duct opening measurement only)

actual front end outer dimensions are approximately 28 5/8" width X 20 5/8" height

+ Product Details Size - 28"w X 24"h X 2"d (for duct opening measurement only)

18" Diameter - 90° Degree Adjustable Elbow - 1 PACK Color_Aluminum + Product Details Size -+ Product Details Size 18" 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