There are also products specifically developed for maritime use and stand-alone units built on a frame. The frame units can be moved more easily and are often installed on pick-ups, vans, or trailers.
Cobra comes with the Multi-Purpose Nozzle (MPN) option. MPN is a low-pressure nozzle that is an excellent complement to Cobra and broadens the scope of the equipment. Used in combination with Cobra, it enhances the ability to resolve many different firefighting scenarios. Examples include car fires, outdoor fires, damping down operations, decontamination, and foam attack.