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] 18in diameter actual front end outer dimensions

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

Our T bar drop ceiling grills are renowned for their exceptional 360-degree airflow capability

For 8" duct opening

With its practical roll-formed lock construction on all four sides

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

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] 18in diameter 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