AP Diving SMB - Self Sealing Black Skirt Masks External Dims: 23

External Dims: 23

The elbow comes in two different styles

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

knurled lockdown screw facilitates simple operation

It's an ideal size for CCR divers

AP Diving SMB - Self Sealing Black Skirt Masks External Dims: 23AP 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