Material: Brass Size: 1/2", 3/4" Glass bulb: 3mm, 5mm Color: red, green, blue Temperature: 57, 68, 79, 93, 141 Upright Fire SprinklerStandard or quick responseType: Pendent, uprightFinish: Natural brass, chrome platedGlass bulb: φ 3mm, 5mmTemperature rating: 57ºC, 68ºC, 79ºC, 93ºC, 141ºCFlow rate: K=80± 4Thread: 1/2", 3/4"ZST-15 Glass Bulb Sprinkler Main technical parametersModelDescriptionIn ...