Contains 25% more vinyl than other heavy-duty sewer hoses for greater durability! Superior flexibility and crack resistance in all weather conditions! Three layers of 15 mil HTS vinyl to minimize pinholes and other leaks caused by the rough scrapes and abrasions of everyday use. Tightly wound steel wire makes the inside smoother for cleaner rinse-through. Includes ready to use pre-attached bayonet fitting for fast RV connection. Brown. 1/box.