2 Gallon Chicken Waterer - Horizontal Nipple Setup 100% Food Grade and BPA Free Plastic. Complete system. No assembly required. New Horizontal Nipples prevent ground/bedding from getting wet - 2 gallons lasts 4 hens more than 5 days! Comes with new No-Roost Cap that prevents hens and chicks from roosting on your waterer! Easy to fill - Removable cap on lid. Comes with some of the best instructions you've ever seen!