2 Pack - 4" Diameter 90 Degree Adjustable Elbow - 30 Gauge Galvanized - Crimped End Connection 8in diameter Featuring a reliable tumbler lock

Featuring a reliable tumbler lock and key system

rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included)

Just run your finger along the edge of the top plate and you’ll find a smooth finished surface

actual front end outer dimensions are approximately 9" width X 9" height -

& EN 13180 standards

2 Pack - 4" Diameter 90 Degree Adjustable Elbow - 30 Gauge Galvanized - Crimped End Connection 8in diameter Featuring a reliable tumbler lock+ Product Details Size 4" 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