The IST Diver Below DSMB (Delayed Surface Marker Buoy) is built to keep you visible and safe during ascents and surface intervals. Made from durable materials with a high-visibility design, it ensures boats and other divers can easily spot your position.

This DSMB is easy to deploy using oral inflation or a regulator, and its compact design allows it to be stowed conveniently in a pocket or clipped to your gear until needed. A reliable one-way valve and overpressure relief ensure safe and secure inflation without risk of bursting.

Essential for drift diving, boat diving, or any dive where surface traffic may be present, the IST Diver Below DSMB provides peace of mind and added safety.

Key Features

• High-Visibility Design – Bright colour for maximum awareness

• Oral or Regulator Inflation – Easy and versatile deployment

• One-Way Valve & Overpressure Relief – Safe, secure inflation

• Compact & Lightweight – Fits easily in a pocket or attaches to gear

• Durable Material – Built to withstand repeated use

Benefits

• Increases diver safety by signalling position to boats and surface support

• Easy to carry and deploy when needed

• Reduces risk during drift or boat diving

• Reliable inflation system prevents accidental deflation or overinflation

• Long-lasting design suitable for frequent diving

Ideal For

• Drift divers who need to signal surface position

• Boat divers surfacing in areas with traffic

• Technical and recreational divers carrying standard safety gear

• Anyone wanting a compact, reliable DSMB for safer diving