Brass Valve Core, Cartridge: 1. Material: Brass 2. Type: Valve Core, Cartridge 3. 10 years OEM experience 4. ISO9001:2000 ... various applications, our products are mainly used in: water pipes, air conditioner, refrigerator, fire valve, gardening, high-level hygienic equipment and different ... future. Please feel free to contact us for more information. Brass Valve Core