SDF5556-2.5 1、Out diameter710mm Inner diameter440mm
2、It be capable of supporting not less than 14.5kg of moron in fresh water for period of 24hr
3、It have a mass of not less than 2.5kg

  SDF5556-2.5Lifebuoy
    1、Out diameter710mm Inner diameter440mm
  2、It be capable of supporting not less than 14.5kg of moron in fresh water for period of 24hr
3、It have a mass of not less than 4.0kg