Create your own hygienic waterer from your desired water source--typically a plastic container or PVC pipe. The nipple stem releases water only when chickens drink. One cup accommodates up to five chickens. Use with a gravity flow system--don't connect to a pressure water supply. Chickens will typically train themselves to use in minutes once other water sources are removed.Features One cup accomodates up to 5 chickens Easy to install Do not connect to a pressured water supply 2 Watering cups per pack Self-tapping heads Specifications Color: Red