iO Poultry Drinkers are durable plastic drinkers for chickens or small birds. Convenient to operate and move. Easy to clean and disinfect. UV stabilised. Advantages of the iO Poultry Drinker is it allows longer times between refills are: less chance of the birds going thirsty, less physical effort required to maintain the pen, and able to go away for a weekend break without worrying about your chickens becoming dehydrated.