THIRD LUNG

Air compressors; gas, battery and electric air compressors

· Breathing apparatus for underwater swimming and diving; underwater breathing apparatus; gas, battery and electric powered breathing apparatuses for underwater activities featuring air compressors, regulators, hoses and belts sold as a unit for the purpose of supplying breathable air; Life belts for safety purposes for underwater activities; Swim floats for safety purposes in the form of tubes for use in underwater activities; Safety equipment specially adapted for underwater breathing apparatus, namely, air compressors, air hoses, air regulators, floating tubes; Oxygen regulators for use in underwater activities; Underwater breathing apparatus in the nature of a surface supplied air dive systems featuring air compressors, floating tubes, regulators, hoses, belts and dive flag, sold as a unit; Safety flag for diving; warning flags; Weight belts for underwater divers; Compressors for use in underwater activities