steel wire pipe, this hose is and built to last Its anti-clockwise thread direction makes it and suitable for most portable air conditioners Perfect for anyone who wants a more way to vent their portable Whether you ' re a homeowner, renter, or business owner, this hose is an essential accessory for keeping your space cool and comfortable Use it at home, in the offices, or else you need to vent your portable The adjustable length and design make it easy to use in any space Keep your home or cool and comfortable with the portable hose With its construction and versatile design, the portable hose is the perfect addition to any portable air conditioning unit Say goodbye to hot, stuffy rooms and hello to cool, refreshing air