https://www.ebay.com/sch/i.html?_nkw=Allegro+Black+Yellow+Blower+Ducting&_sacat=0&_dmd=2

Allegro Black/Yellow Blower Ducting

Regular price
$208.00
Sale price
$141.00

Blower Ducting, Diameter 12 In, Length 15 ft, Construction Vinyl and Polyester Materials With PVC Coating, Color Black/Yellow, For Use With Blower, Standards Meets ASTM 227 Specifications