The Living World Glass Drinking Tube is the perfect way to provide fresh clean water to your small animal, The tube is installed vertically and fits almost all metal wire cages, The tube is gravity driven so your animal will always have easy access to drinking water, It is a great accessory to make sure your pet is able to stay hydrated at all times, The Living World Glass Drinking Tube Features and Benefits:, - Gravity driven, - Easy to install and refill, - Fits on metal cages, - Helps keep your hamster hydrated, 6"" height SKU: RCHG0330