2pcs PP Float Switch M10 66mm Fish Tank Vertical Liquid Water Level Sensor

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

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

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

2pcs for MINI Water Level Sensor Vertical Float Switch 36mm ZP2508 for Fish

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

2pcs PP Float Switch M10 77mm Fish Tank Vertical Water Level Sensor for Pool

2pcs PP Float Switch M10 77mm Fish Tank Vertical Liquid Water Level Sensor