Review on TERA PUMP Next Gen. Overflow Protection Gasoline Transfer Pump: Fueling Made Easy with 3.25ft Long Hose, Fits Most Gas Cans at 2.4 GPM - Gas, Diesel, Kerosene, and More! by Brian Micheals

I use this to fill my boat's gas tank. It comes with adapters for multiple glasses (I use 2 of the 3 included). Filling the tank couldn't be easier. I just set the can on the gunwale, put the nozzle in the pen and press open. It fills the tank faster than I could fill it and I don't have to worry about spills. Can it be cheaper? Maybe, but if you're just comparing it to the price of a replacement nozzle, then it's not that scary. Could it have better suction power? Yes, but it filled my car while sitting on the floor. I would say that's enough. It won't pump every last drop of gas out of your tank, but I don't know if an automatic pump can. It does not guarantee the tightness of the cylinder. I don't know if they vent the glass like this to allow pumping, but no gasket is supplied. I received the EZ Pour lids for my jars during shipping as I didn't want any leaks. Overall I would say I really like it and would recommend it for similar use.