The Maxi Cup Drinker is a self filling multi use drinker. Fit to any size container to turn it in to a drinker; with a water depth of up to 180cm (72”). The Maxi Cup features a unique float valve system which ensures that the cup is always full.<br> <br> Hole in container required: 12mm.<br> <br> The drinker is easy to maintain, simply undo the two screws securing the cup to the filter cover, separate the two halves and then clean the float and interior of the housing, then reassemble<br> <br> Suitable for all Poultry and Game Birds.