This listing is for ONE new Black Vinyl Defrost AC Heater Flexible Vent Duct Hose. Replace your old dry rotted cloth hose with this new durable vinyl hose. This hose will last longer than your standard cloth hose. This hose measures 1-1/2"ID (38MM ID). It measures 13 inches long when collapsed and 27 inches long when stretched. It is also made in the USA with Nylon coil in it. WE SHIP WORLDWIDE!!!