The Pro Quip 5L Diesel Plastic Safe-T-Pour Fuel Can include the patented Safe-T-Pour pourer which offers the highest level of safety when using a small fuel can. The Safe-T-Pour provides a stop flow function, reducing spills and over-fills, as well as fire flashback protection. The pourers filter also helps prevent contaminants from entering your tank. Additionally, there is a view line on the back of the can to help monitor the fuel level in the can.