Description
Buy the Halcyon SMB Closed Alert Marker 3.3ft | Fast UK & Ireland Delivery
Be seen when it matters. The Halcyon SMB Closed Alert Marker is a 3.3ft closed-bottom surface marker buoy built to Halcyon’s exacting technical diving standards, giving you a bright, reliable signal to boats and dive buddies on ascent or during a safety stop.
Why Choose the Halcyon SMB Closed Alert Marker
The closed-bottom design holds air securely once inflated, resisting the folding and air loss that can affect open-bottom markers, while high-visibility fabric keeps you easy to spot on a choppy surface. It’s a trusted choice among technical and recreational divers who want dependable safety kit.
Fast Delivery & Support Across the UK & Ireland
ProMarine Electronics ships the Halcyon SMB quickly across the UK and Ireland, with genuine stock and knowledgeable advice if you have questions about inflation methods or sizing.
Key Specifications:
- 3.3ft closed-bottom surface marker buoy for reliable air retention
- High-visibility fabric for clear surface signalling to boats and buddies
- Oral or inflator hose inflation compatible with technical and recreational diving






Reviews
There are no reviews yet.