Harris Farms 1000304 Poultry Watering Cups, 2 Pack Description Poultry Watering Cups. Easy-to-install watering cups deliver a constant supply of fresh water from either a plastic container or PVC water source. Nipple stem releases water automatically when chickens hit it These watering cups should be used only with a gravity-flow system and never connected to a pressurized water supply. Features: Easy-to-install watering cups deliver a constant supply of fresh water Nipple stem releases water automatically when chickens hit it These watering cups should be used only with a gravity-flow system Use with either a plastic container or PVC Limited 1 year warranty Product Details: Material: Plastic Brand: Harris Farms Target Species: Poultry Product Dimensions: 2 x 3 x 1.85 inches Item Weight: 0.317 ounces Manufacturer: Harris Farms Item model number: 1000304 Is Discontinued By Manufacturer: No