Lixit Plastic Water Bottle and Tube is easy to install and easy to fill and clean. Premium quality, stainless steel tube with double ball. With quick release spring bottle holder included. Keeps your pet's water clean and fresh. NOT dishwasher safe. The DW64 model is ideal for dogs kept outside in a kennel or an outside enclosure. Not recommended for inside the home on a dog crate. Bottles recommended for use on a dog crate please see DW32, DW44, and SDW16.