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Leyon FM UL Brass K5.6 K8 K11.2 K25.2 Standard Quick Respond Upright Pendent Sidewall Concealed Sprinkler Heads, Find Details and Price about Fire Fighting Fire Sprinkler from Leyon FM UL Brass K5.6 K8 K11.2 K25.2 Standard Quick Respond Upright Pendent Sidewall Concealed Sprinkler Heads - Leyon Piping System Co., Ltd