Trident Dive Log Book Red Accessory Color:Black It has complete Nitrox management

It has complete Nitrox management

Retractor attaches to BCD

tempered glass lens

such as navigation at high elevation

and mid-sized blade with three channels for optimal movement of water during the kicking cycle

Trident Dive Log Book Red Accessory Color:Black It has complete Nitrox managementTrident Dive Log Book 3 Ring Binder with Inserts holds Standard Dive School Material Scuba Dive Diving Diver Trident Dive Log Book 3 Ring Binder with Inserts holds Standard Dive School Material Scuba Dive Diving Diver Trident Dive Log Book 3 Ring Binder Padded 3 Ring Log Book Binder Zippered books measure 7. 5" x 10" 3 ring zippered dive log holds standard logs