RuiLinXin Red 5 Pack Fowl Water Nipple Drinker Chicken Feeder Poultry Hen Screw In Style 5 Screw in style chicken water nipples Create your own custom sanitary waterer from PVC or plastic containers Each nipple has a 360 degree stainless steel nipple that will work from any angle Use drill bit size 11/32 at low rpm for PVC, bucket or container with thick plastic wall Use one nipple for every 3 chickens