220mm Tube S/M Size Diving Full Dry Snorkel Mask for GoPro

220mm Tube S/M Size Diving Full Dry Snorkel Mask for GoPro
1. Water tight with ergonomic design, good for human face, no inhaled water.
2. Ventilating fan design, anti-fog, breathe freely without chewing the breathing tube.
3. When in water, the top valve auto closes to prevent water in flow.
4. Dry diving technology stops water from getting into your mouth and prevents gagging.
5. With a mount for mounting action camera.
6. Main body adopts with PC material, lined edge adopts with high quality silicone.
7. Design principle: Dual airflow anti-fog channel, dry top system, drainage valves, elastic fabric head strap, super wide vandal-proof mask.
8. Note: The action camera, action camera Waterproof case and screw are not included.