Search query: 3m mask n99

Product: Dekugaa Full Face Snorkel Mask, Adult Snorkeling Mask with Detachable Camera Mount, 180 Degree Panoramic Viewing Upgraded Dive Mask with Safety Breathing System (Blue, Large)
Brand: Dekugaa
Color: Blue
Relevance: Substitute
*Dekugaa full face snorkel mask has three completely separate air channels(Intermediate air intake, air outlet on both sides) which can effectively barrier the re-inhalation of exhaled CO2, thus ensuring that you inhale fresh air every time. When you snorkel, you won't feel dizzy or even suffocated by inhaling a mixture of air and CO2, hence maximizing safety
* The double exhaust passage will double the ventilation speed to barrier the exhaled gas from entering the observation sun visor and causing fogging. We use food grade silicone, good elasticity, and the enlarged silicone skirt is more suitable for your face. The deeper silicone lining does not put too much pressure on your nose bridge to ensure that you are comfortable to wear.
*180 Degree Full face design Panoramic full face snorkel mask gives you superior views over a standard diving mask for beautiful underwater adventures, makes it easier than ever to breathe comfortably through your mouth or nose when snorkeling.The Snorkel Mask Full Face has Camera stand, you can capture every amazing moment in the sea and share it with your friends and family.
* It helps you learn how to snorkel and swim in the water. You just need to wear a mask to breathe through your nose or mouth. You can easily use this snorkel mask without any difficulty. It is perfect for beginners and adults and children. Even if you are not a beginner, this mask will give you a great experience.
* The size is measured from the eyebrow to the bottom of your chin, if less than or equal to 4.72in(12cm), select size S/M; If more than 4.72in(12cm), select size L/XL. If you have any dissatisfaction, welcome to contact us. We will provide you worry-free shopping experience and satisfactory service.