ABS plastic drinking bowl equipped with ½˝ brass nipple and valve system. Has a flow valve and nylon frost plug protection. Touch switch allows the animals to get water automatically when they push/touch the valve, so you don't have to keep refilling the bowl. Livestock can access fresh and clean water whenever they like. Unique shape design makes it suitable for various head types. Features Touch switch for automatic water access. 7.25˝ (18.5 cm) diameter bowl Connects to 1/2" water pipe Capacity: approximately 1L Installs easily and can be quickly disassembled for fast, easy cleaning. Suitable for small sheep, goats, small livestock, dogs, etc.