Deflecto F0450 Aluminum Flex Duct (5-ply Supurr-Flex® ducting; 50ft)

This Aluminum Supurr-Flex Duct from Deflecto is a 5-ply duct for use with dryers. It is 4 in. in diameter x 50 ft. in length. It is flexible for ease of installation. DETAILS 5-ply Supurr-Flex flex dryer transition duct 4 in. diameter x 50 ft. 5-ply aluminum duct offers superior fire-suppression Maximum velocity of 4,000 FPM Compresses to 25 ft., ±15 in. Operating temperature range 0°F to 265°F UL 2158A for dryer venting when used in installations of 8 ft. or less Also suitable for bathroom venting, HVAC systems, and general-purpose venting