

DRASS D-One Helmet OPEN DAY 1 of 4 D-ONE Diving Helmet presentation

DRASS D-One Helmet OPEN DAY 2 of 4 DRASS testing facility – Professional divers in the wet tank

DRASS D-One Helmet OPEN DAY 3 of 4 DRASS testing facility – Professional divers during the trial

DRASS D-One Helmet OPEN DAY 4 of 4 D-ONE Tried & Tested – THE REVIEWS
