5pcs Oasis Poultry Water Nipples, Marrywindix sanitary Water for up to Chickens, Turkeys, Geese or Ducks A 5 pack of commercial grade poultry drinking nipples, THREADED STYLE mounting (10mm x 1.0mm thread size) Fill you system from outside the coop - no more stepping in you know what first thing in the morning!! 5n ipples will keep a flock of up to 20 chickens or 15 turkeys well hydrated Build your own poultry watering system with ordinary hardware store parts