Keep Water Clean & Health---This automatic nipple water drinker can effectively prevent the drinker from the dust into the water, keep the water clean. 360 degree stainless steel water nipples---These drinker nipples does not require a extra drip cup, and the chicken can get clean and fresh water from these 360 degree nipples easily. Qualitative Materials---This automatic nipple water drinker is made of premium engineering plastics and stainless steel material, which is wear resistant, anticorrosion and high toughness. Easy to clean---These drinker nipples are made of plastic and stainless steel, and the nipples can be removed thus you can clean them easily when needed. Automatic nipple design---When the chicken touch the drinker nipple, the water will out automatically and automatically close when it leaves, is very convenient and help you save time and effort.