Brass Fire Extinguisher Valve: 1.with top quality , ... Product Name:Brass Fire Extinguisher Valve2. Raw Material: Brass 58-3, C37700, lead-free, customized3. Size: customized.4. ... Application: Water pipes, air conditioner, refrigerator, fire valve, gardening, high-level hygienic equipment and different ... Brass 58-3, C37700, lead-free, customized3. Size: customized.4. Surface: Yellow brass color, or ...