2pcs PP Float Switch Fish Tank Liquid Water Level Sensor Right Angle Plastic

2pcs Mini Water Liquid Level Sensor Vertical Float Switch 36mm ZP2508

2Pcs ZP4510 White Plastic Liquid Water Level Sensor Float Floating Switch

2pcs Float Switch Water Level Sensor ZP4510 for Aquarium and Tank Control

PP small float switch liquid level switch water level open liquid level sensor

Water Level Control Float Switch 2pcs ZP4510 for Aquarium Applications

2pcs PP Float Switch M8 46mm Fish Tank Vertical Liquid Water Level Sensor

2pcs 1/2" NPT 100V Plastic Side Mounted Liquid Water Level Float Sensor Switch