◆ Comply with SOLAS 1974 and its latest amendment、COLREGS1972
◆ Fog bell is made by a resist material, can give a clear tone, and its sound is an effective means for Preventing Collisions at Sea
◆ Material: Lead Brass Hpb59-1
Made of cast brass with a highly polished finish. The size is determined by measuring the bell mouth opening. The required size is over 300 mm diameter for the vessels of length greater than 20 mtr.