Non-Hazardous Material: Our hand siphon is made of non-toxic material. So you can use it without any problem to transfer drinking water. Ideal for Chemicals: This durable polyethylene tank siphon is suitable for transferring chemicals such as concentrated acids and bases for solvents (methanol, biodiesel, isopropyl, gasoline, diesel) Versatile Application: Ideal for lawnmowers, refueling equipment, and general liquid transfer, making it an essential tool for any household or workshop. Convenient Cap: This hand siphon features a sturdy screw cap that allows you to immediately stop the suction by releasing the pump's vacuum.