The Amerex 2.5 Gallon FOAM Refillable Fire Extinguisher Class 2-A Model 252 is a high-quality fire protection equipment designed for facility maintenance and race track safety and more With its foam type and large 2.5 gallon capacity.  Ships empty. Easy to refill by yourself with common Schrader valve with compressed air and water. (Add foam if wanted after water)

This model is painted red possibly non magnetic but definitely rust resistant with the nice factory coat of red paint on it