... in order to meet the demands of diving operations, salvage, fishing, aquaculture, sediments salvage underwater engineering, water parks, shipbuilding and ... using activated carbon, alumina and 13X molecular sieve, in line with international standards to ensure the quality of the airEquipped ... 30Mpa Scuba Diving Air Compressor for Diving Operations,Salvage,Fishing,Aquaculture,Sediments Salvage Underwater