If the fire hose is used once, it must be replaced or sent to a fire service unit for maintenance.

1 year need to test once, because the fire hose in the fire extinguishing process need to bear a lot of pressure, so a long time the fire hose wall will appear adhesion and so on, if not maintenance, there will be in the use of water The phenomenon of bursting.

Now the city on the water with two kinds of one: rubber and water with two: Lining glue belt maintenance methods are not the same