45-250mm Double Ball Float Switch Stainless Steel Tank Water Level Sensor-UK

Advanced Stainless Steel Double Ball Float Switch for Tank and Pond Alarms

M10 PP Water Level Liquid Sensor Vertical Float Switch for Fish Tank Aquarium

200mm Liquid Float Switch Water Level Sensor Stainless Steel Double Ball

PP Dual Ball Float Switch M10 115mm Fish Tank Vertical Liquid Water Level Sensor

Advanced Stainless Steel Double Ball Float Switch for Tank and Pond Alarms

Stainless Steel Double Ball Float Switch for Tanks and Pool Level Monitoring

Stainless Steel Double Ball Float Switch for Water Tanks and Aquatic Systems