1.nipple drinking line 2.drinker /chicken drinker /chicken drinking line 3. poultry equipments 4.poultry facility ... for 20 yearsLow water pressure, scientic water flow, applicable for chicken , hen, ducks in cage or not.Practical, inexpensive, ... chicken manure. Sanitory, clean water seeled pipes prevent possible water-born disesses.It occupies little area, increasing breeding space. Fuhua new automatic ...