Hollis Single Tank Adapter Bolt Kit Mask Offers the simplicity that the

Offers the simplicity that the free diver demands

Internal Components & Inlet QD Nipple made from Chrome Plated Brass

Patented QuickLock® Release 4 (QLR4) Weight Integration System

because there is no frame

Record Media Files in RAW and Compressed Formats The Oceanic+ Dive Housing offers professionals the ability to capture media files in both RAW and compressed formats

Hollis Single Tank Adapter Bolt Kit Mask Offers the simplicity that theOverview Don't always want to dive doubles, but your gear is set up for doubles. The Hollis Single Tank Adapter gives you the versatility of single cylinder use when you have a dual cylinder set up. All you need is the adapter and this set of stainless steel bolts with butterfly nuts which make installation and removal a breeze. Small parts can get misplaced or lost, so having a spare set of hardware can get you out of a bind in an emergency. Bolt kit