Second Stage Breathing Tube Thermoplastic Silicone Mouthpiece(Transparent)

1. Material: TPE (thermoplastic elastomer material)
2. Suitable for: adults
3. The bite part leaves a tooth mark, which can easily create a suitable tooth shape, without worrying about oral fatigue and soreness
4. Helps to maintain the tooth shape by heat setting (no need to remove it when hot water is put, and remove it after setting)
5. It can be used for deep diving equipment, free diving and other equipment. If a few are loose, you can use the free cable tie to tie it up to prevent water leakage
6. Suitable equipment: breathing tube, second-stage head
7. Size: 7x5x2.5cm

Instructions for use:
1. Soak in hot water of 80-95 degrees Celsius for about 40-50 seconds
2. Put it in your mouth and bite it hard to set it before cooling
3. After complete cooling, fix it on the second-stage head
4. It can be repeatedly set after removal