Supurr-Flex flexible transition duct is used for dryer venting. Easy to install and can easily be cut to the length of the specific venting application. SKU: 43155758 MFG: F0420B/2 Shop more products by Deflect-O. SHARE Share on Facebook Tweet on Twitter Share on Google+ Pin on Pinterest Free Shipping Shipping not available to Normally ships within 24 hours $28.83 Quantity In Stock Add to cart Request a Bulk Quote Thank you for your quote request. We will be in touch. DETAILS Description DESCRIPTION Highlights: Color: Silver Material: Aluminum Length: 20 feet Diameter: 4 inches Duct Type: Flexible 5-Ply construction for superior fire suppression Also, for bathroom, HVAC systems, general purpose venting Easy to use Number of Pieces: 2 FEATURES MFR: F0420B/2 SKU: 43155758 UPC: 079916431420 Brand: Deflect-O Attachments: