Ultra Low AF. Say goodbye to foggy lenses underwater. Dive Safely with unobstructed vision at all times. Easy to Use. No prep work needed. The mask is ready to use. Long-lasting, durable antifog that works dive after dive. Features advanced film coating technology, offering longer-lasting anti-fog performance. Please be advised that the diving mask with anti-fog film requires gentle maintenance. Never use abrasive cleaners (like toothpaste), and avoid rubbing the inside of the lenses with your fingers or a stiff cloth, as this will easily scratch or damage the delicate film. Apnea and U/V-hunter mask. Ultra low volume.Can be fitted with normal optical lenses from -1,5 to -5,0. Included mask box. Expected in stock mid september.