... m rotary airer 3 arms - Galvanized SteelDia of center pole size: 32mm, Dia of arms size: 19 mm,Dia of supporting arms size: 6.5mm, 1 ... m rotary airer 3 arms - Galvanized SteelDia of center pole size: 32mm, Dia of arms size: 19 mm,Dia of supporting arms size: 6.5mm, 1 ... m rotary airer 3 arms - Galvanized SteelDia of center pole size: 32mm, Dia of arms size: 19 mm,Dia of supporting arms size: 6.5mm, 1 ...