For us that hate siphoning gas this is a handy alternative.I have a cheaper version from canadian tire called a gas buddy i believe that takes 2 d cells and can empty a 5 gallon can in a minute or so.This one looks like it could be very handy for many apps.https://www.kimpex.com/en-ca/produc...-systems/fuel-pumps/terapump-trfa01-fuel-pump