5 Pack 18" Round x 24" Long (Total 10 Feet) - 26-Gauge Galvanized Round Duct Sheet Metal Pipe - Snap Lock with Crimped End Connection [5 Pieces, 2' Each] Extruded Aluminum Ceiling actual front end outer dimensions

actual front end outer dimensions are approximately 18 5/8" width X 34 5/8" height

actual front end outer dimensions are approximately 16 5/8" width X 27 5/8" height

But they are also the most

durable white powder coat finish for an attractive look & high durability corrosion protection – 15mm medium-density fibreboard with felt cover and rubber sealing between the door and frame for tight security

Ideal for Walls & Ceilings: Designed for seamless installation in standard 20" X 20" duct openings

5 Pack 18" Round x 24" Long (Total 10 Feet) - 26-Gauge Galvanized Round Duct Sheet Metal Pipe - Snap Lock with Crimped End Connection [5 Pieces, 2' Each] Extruded Aluminum Ceiling actual front end outer dimensions+ Product Details Size & Compatibility The size of sheet metal pipe is 18" round x 10' long, compatible with duct 18" 5 Pack of 2' pipe 10 foot length when connected 26 gauge thick & made of thick & durable galvanized sheet metal Premium Quality Made in the USA. our solid dryer vent pipe is made of high quality galvanized sheet metal with crimped ends (snap lock design) for easy fitting and secure connection to consecutive duct joints Applications The