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a portable device lets you siphon and transfer a variety of non-corrosive liquids and fuels through the flip of the switch applies to gasoline, kerosene, diesel oil switch precise control, open the switch automatically absorb liquid, close the switch will stransmission within a second. convenient and fast, according to the needs of self-control, long pipettes can easily reach tall tanks, kettles, and other large water tanks, while extra-large transfer hoses provide longer lengths and extended range..syi