16" Diameter - 90° Degree Adjustable Elbow - 1 PACK Merv 8 + Product Details Size &

+ Product Details Size & Compatibilty - The 18" to 16" round metal pipe reducer & increaser 30 gauge is compatible with duct 18" to 16"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 26" OR 26" X 16" duct opening (measured at the opening)

+ Product Details Size & Compatibility – The 5" Galvanized Sheet Metal 90 Degree Oval Vertical Angle Elbow is compatible with Duct 5"

This 30" X 8" end cap is constructed with 26-gauge galvanized steel

+ Product Details Size – 30"w X 10"h is the size for the duct opening measurement only

16" Diameter - 90° Degree Adjustable Elbow - 1 PACK Merv 8 + Product Details Size &+ 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