Shearwater Perdix AI Dive Computer Snorkeling Sets This durable

This durable

easy way to hit the water

Repeating countdown timer for interval training

Underwater Writing Slates With Pencil Large

Shearwater Perdix AI Dive Computer Snorkeling Sets This durableAir Integrated Air Nitrox Trimix capable Bhlmann ZHL 16C with Gradient Factors Three axis tilt compensated digital compass User changeable battery Powerful, Simple, Reliable, and now Air Integrated. The Perdix AI offers all of the same great features of the Perdix, but also uses its large, easy to read screen to clearly display the tank pressure as well as your gas time remaining (GTR). The Perdix AI is capable of connecting to either one or two