Fire Extinguisher, 2-1/2 Gallon Water Press, Grenadier

This fire extinguisher is to be filled with water and compressed air. unit is shipped empty. features 14 gauge galvanized steel 12" high curb and 3-5/8" wide flange for securing to roof deck cover includes a 14 gauge aluminum exterio 22 gauge aluminum liner with a tpe draft seal gasket door seal insulation 1" fiberboard insulation surrounding the base 1" mineral wool insulation between the exterior cover and liner heavy-duty hinge, heavy gauge automatic hold open arm (2) compression spring-operated cylinders railing is 1-5/8" galvanized steel with zinc-plated caps galvanized 2" x 2" 16 gauge steel with galvanized clamps guard is a zinc plated astm chain.