![](https://cdn.practical-sailor.com/wp-content/uploads/2020/03/2a.-bilge-installation.jpg.optimal.jpg)
![](https://cdn.practical-sailor.com/wp-content/uploads/2020/03/3.-Proteng-on-battery.jpg.optimal.jpg)
![](https://cdn.practical-sailor.com/wp-content/uploads/2020/03/4.-Proteng-on-gasoline-tank.jpg.optimal.jpg)
to be located.
Tube based fire suppression systems are not FM or UL listed because there is no category for the product. We interviewed two makers, Proteng and Blaze Cut. We handled the products, but we didn’t start a fire and put it out. They use a very similar hose material and the same fire suppression agent.