TIP # 1: Look at the lens and see if is TEMPERED glass (they resist scratches and breakage, and if broken, tempered glass will crumble into small, less dangerous, pieces).
TIP #2: Mask materials are Neoprene rubber that is used for less expensive masks and Silicone masks that last three to four times longer than neoprene. Both materials can be colored but today’s favorite coloring agent used in masks is black.
TIP #3: Silicone clear or translucent masks are more commonly used than black. People prefer these because they allow more light. After few years and/or lack of use, it becomes yellow.
TIP # 4: A diving mask that does’t fit properly may be uncomfortable and leak. To determine if mask fits, follow these steps: A) remove strap out of the way. B) Place mask lightly against your face while looking up. C) Inhale through the nose and the mask should remain firmly in place, despite gentle tugging or head shaking.
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