150mm PP Liquid Water Level Sensor Anti-Corrosion Float Switch Normally Closed Double Ball Controller for Aquarium Tank Pools
https://www.vogueparade.com/shopping/EN/4001/1/1005002907484738/150mm-pp-liquid-water-level-sensor-anti-corrosion-float-switch-normally-closed-double-ball-controller-for-aquarium-tank-pools//