Fire Sprinkler, 1.ISO and CCC certified 2.1/2", 3/4 ... chrome plating 4.fast delivey sidewall horizontal fire sprinklerFire Sprinkler Features:1. different types: pendant type, upright type, ordinary type, sidewall horizontal type ... AlloyT-ZSTDYDN151/280PendantDN203/4115Sprinkler Nominal ActionMax. Environment TemperatureColor of Glass Bulb5727Orange6838Red7949Yellow9363Green Fire Sprinkler