Fike's innovative ProInert® is one of the best performing, most cost-effective, and environmentally friendly inert gas fire extinguishing systems available. ProInert offers all the benefits of other inert gas systems with several significant design improvements - enhancements that not only mean a superior fire extinguishing product, but savings to your bottom line! And because the inert gas blend in ProInert is naturally occurring, it has zero ozone depletion and zero global warming potential.