automatic chicken nipple for square pipe

High Quality Poultry Farm Automatic Water Nipples The advantages of nipple drinker: 1.Clean waterDirect drinking for Chicken from nipple drinker,No spiling and leaking, like the original container style drinker, to make sure chicken can get clean,freshwater,which can avoid some bird diseases.2.Saving laborConnect with PVC pipe or water container,do not need to check the water condition very often,just need to make sure PVC pipe connect with water or the water container have