AP Diving SMB - Self Sealing Black Skirt Masks DIN fittings are commonly accepted

DIN fittings are commonly accepted as more secure

The elbow comes in two different styles

Over pressure relief valve with pull dump at the base

Dive Rite Transpac XT Harness Specifications

It's an ideal size for CCR divers

AP Diving SMB - Self Sealing Black Skirt Masks DIN fittings are commonly acceptedAP Diving SMB Self Sealing The self sealing AP Diving SMB is inflated by simply purging a second stage in the open end when underwater. The really clever bit is in the mouth where the unique self sealing baffle or duckbill valve is forced shut, forming an airtight seal, on inflation. This self sealing SMB also features a stream lining flap which folds back over the mouth and prevents any sea anchor drag effect when used in a current. The AP Diving SMB