Description Vinyl polyester ventilation air duct hose. 8″ (20 cm) diameter with vulcanized external wear strips – custom sizes available on request – duct sizes to 36″ (91 cm) diameter available with internal steel reinforced wire hoop – 4″ (10 cm) pitch. 6″ (15 cm) long attachment cuff with adjustable belt straps on both hose ends. Insulated and conductive duct available – call for specific duct materials to meet special applications. NOTE – THIS ITEM DOES NOT QUALIFY FOR FREE SHIPPING
