JBL Flex Semi-Dry Dive Snorkel Swimming Fins This particular model uses a

This particular model uses a percentage scale

The anatomic cut provides comfort and allows you to move with ease

Protective rubber boot for your pressure gauge

Made of fiber-reinforced polycarbonate material and stainless steel hardware for maximum durability

It was developed by dentists and dental laboratories and lasts longer than any other mouthpiece because only a minimum effort is needed to hold it comfortably in place

JBL Flex Semi-Dry Dive Snorkel Swimming Fins This particular model uses aThe flexible lower and contoured upper make this the perfect general purpose snorkel. The flexible lower and contoured upper make this the perfect general purpose snorkel. Protected bottom purge valve allows for effortless clearing and soft mouth piece helps reduce jaw fatigue during long dives.