with full 13 cu. ft. tanks, full scrubber, but no BC, backplate or harness is 51 lb (22 kg).Dimensions are 21 x 14 x 8 (54cm x 36cm x 20cm).Scrubber duration is 3 hours in cold water.Tanks 13 cu.ft. tanks are recommended.Recommended maximum operating depth is 250 feet, with proper training.Compatible with trimix.