Full Face Snorkel Mask Double-Tube Dry Top Diving Mask 180°Panoramic Anti-Fog UK
【Double-pipe Circulation Br eathing】 2022 NEW double-tube external respiration snorkel mask. Inhaling from both sides, exhaust from the exhaust valve, breathing more smoothly. S/M for face <3.93-4.7in(10-12cm)-L/XL for face>4.7in(12cm).