Brass Fire Extinguisher Valve: 1.with top quality ,factory price 2.all sizes ... Water pipes, air conditioner, refrigerator, fire valve, gardening, high-level hygienic equipment and different kinds of industrial copper pipe fittings, etc. Why ... Water pipes, air conditioner, refrigerator, fire valve, gardening, high-level hygienic equipment and different kinds of industrial copper pipe fittings, etc. Why ...