The Fred Fill is used to fill the portable water fire extinguishers without taking the extinguisher apart. 

Attach the Fred Fill to the water supply hose and attach the quick connect to the Fred straight bore adapter.

Open water supply and compress the Fire Extinguishers handle. Allow the water fire extinguisher to fill. The flow of water will stop running after the can is full.

Remove the Fred Fill from the Water Extinguisher. Pressurize the water extinguisher to the maxium PSi that is recommend by the manufacture of the water extinguisher. 

FRED Filling Video

Filling the water with the FRED Fill