Springkler, fire sprinkler, fire sprinkler head,fire-fighting, spray nozzle, centrifugal sprinkle Springkler, fire sprinkler, fire sprinkler head,fire-fighting, spray nozzle, centrifugal sprinkle1. Brand name: Jing Yuan2. Orifice size:1/2"3/4"3. ISO certification, CCC4. brass with chrome plating