Zoka

When there is surfacing valve is opened, allowing you to breathe again through the tube.
The original system of fastening to the mask strap.
Available in three colors: Blue, Pink, Red and Black
The special design of the tube makes it easy and quickly to clean it from the water.
The Upper and lower valve of the tube to help remain permanently dry.
The tube has two valves:
The lower and upper.
The upper valve prevents entanglement of water into the tube.
The lower valve is present for easy release of the tube from the water.
There is the holder for the quick fastening of a tube to the mask.
When there is diving under the water the upper valve is closed and the water does not get into the tube that allows you to feel very comfortable.