AP Diving SMB - Self Sealing Black Skirt Masks knurled lockdown screw facilitates simple

knurled lockdown screw facilitates simple operation

External Dims: 23

Over pressure relief valve with pull dump at the base

The Halcyon H-50D First Stage is a high-performance diaphragm design is fully sealed and purpose-built for harsh conditions like ice or environmentally contaminated environments

Halcyon Cinch Complete Light Retainer is a 2” reinforced piece of webbing with a grommet on one end that attaches to the Halcyon Cinch Plate Adaptor

AP Diving SMB - Self Sealing Black Skirt Masks knurled lockdown screw facilitates simpleAP 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