Vertical Liquid Water Level Sensor Stainless Steel Float Switch 12cm L

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

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

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

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