Easy Fin Commercial Spring fin_size:M it provides an estimate of

it provides an estimate of tank pressure when the first stage is attached to a tank letting you know if the tank has gas without needing to activate the computer

Take the PADI Underwater Naturalist Specialty course and you’ll see new things

Low profile

To increase peripheral vision and transfer more light

Enjoy the convenience of air integration without the hassle of a dangling hose

Easy Fin Commercial Spring fin_size:M it provides an estimate ofThis pair of spring straps fit commercial style buckles such as those used on jet type fins. Just like the EFS, these are easy to remove & use in the water with a great retaining system. Sizes stated are approximate distance between the centres of the attachment clips. SIZES: M = 26 cms, L = 29 cms. & XL = 32 cms.