Finally a poultry waterer that works and stays clean...available in both heated and unheated models! The revolutionary patent pending design of the K&H Poultry Waterer (unheated) and K&H Thermo-Poultry Waterer (heated) incorporate an easy carry reservoir handle spill proof cap water filter ring and an ingenious shape that eliminates roosting and the inherent dirty water that comes with it. K&H Poultry Waterers can be easily refilled without spilling or having to empty the whole waterer. Cleaner water = happier poultry. The heated K&H Thermo-Poultry Waterer has been tested in sub-zero F° temperatures keeping water ice-free even on those cold winter days. The heated model is MET safety listed. Two year limited warranty is included in both models.