Features: A key component of an automatic fire suppression system, sprinklers detect fires and control or extinguish them. The sprinkler head is assembled by copper alloy frame, glass ball and seal, compact in shape and beautiful in appearance. High-strength corrosion-resistant, surface passivated primary color or polished chrome, available. Widely used in restaurants, hotels, shops, commercial buildings, warehouses, underground garages, garment factories. Specification: Material: copper alloy + glass Type: Vertical sprinkler/lower sprinkler Working temperature: 57℃ Size: As picture Package Includes: 1 Piece  Note: 1. The color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Please refer to the actual product received. 2. Please allow slight manual measurement deviation for the data. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store