It doesn't matter what kind of vehicle your fuel cell sits in, when it comes to safely refueling, you need Aero Tec Laboratories female refueling receptacles. They afford high flow rates and prevent fuel loss when used in conjunction with a male dry break connector on a jug or fuel hose. The spring-loaded female receptacles are easy to mount and close when the male dry break is removed. With fuel costs being what they are, you can't afford to lose a drop. Keep your fuel where it belongs with Aero Tec Laboratories female refueling receptacles.