supply John morris fire hose coupling 1)size 2.5"*2.5", 2.5"*2" 2)pressure 2Mpa-4Mpa 3)material aluminum or brass

1)fire hose coupling

2)material :brass,aluminium

3)size:2.5"*2.5", 2.5"*2", 2.5"*1.5", 1.5"*1.5", 2"*2", 2.5"*2.5"

        

British type fire hose coupling