Features: Model:DN15 Material:Copper alloy 1.Sprinklers assembled from copper alloy frame, glass balls and seals with compact shape and delicate appearance. 2.High strength and corrosion resistance, surface passivation original color or polished chrome, to choose from. 3.Widely used in restaurants, hotels, shops, commercial buildings, storage warehouse, underground garage, garment factories. 4.Dimension:5.5x2x3cm 5.Type:Upright,Pendent 6.Action temperature: 93℃ 7.Color of glass:green pakage:1 pcs