10 Pack 4" Round x 24" Long (Total 20 Feet) - 30-Gauge Round Duct Sheet Metal Pipe - Snap Lock Vent Pipe [10 Pieces, 2' Each] 1-Way actual front end outer dimensions

actual front end outer dimensions are 13" Width X 13" Height

with actual outer dimensions of 22

For example

our Circular Air Supply Valves are ideal for low and medium pressure ventilation air conditioning systems

actual front end outer dimensions are approximately 12 5/8" width X 18 5/8" height

10 Pack 4" Round x 24" Long (Total 20 Feet) - 30-Gauge Round Duct Sheet Metal Pipe - Snap Lock Vent Pipe [10 Pieces, 2' Each] 1-Way actual front end outer dimensions+ Product Details Size & Compatibility The size of sheet metal pipe is 4" round x 24"long, compatible with duct 4" 10 in a pack 4 inch diameter pipe 20 foot length when connected 30 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