18" Diameter - 90° Degree Adjustable Elbow - 1 PACK 14" Round Duct Pipe + Product Details Size -

+ Product Details Size - 34"w X 16"h is the size for the duct opening measurement only

+ Product Details Size - 36"w X 32"h X 2"d (for duct opening measurement only)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 34" x 18" Or 18" x 34" duct opening (measured at the opening)

Actual Filter Size – 21 3/4"w x 23 3/4" x 1"

Dimensions With Outer End are 17

18" Diameter - 90° Degree Adjustable Elbow - 1 PACK 14" Round Duct Pipe + 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