The Problue AC-37-9 Alert Marker 4 ft is a surface marker buoy from Problue – your signal to the boat that you’re coming up. Bright, visible, and easy to inflate, it’s the single most important piece of safety gear you carry on every ascent at Tioman’s diverse coral gardens. Technical Specifications Specification Details Brand Problue Product AC-37-9 Alert Marker 4 ft Size 1.5m Material Nylon Inflation Oral inflator Colour Orange / Red Best For Safety ascent / Surface signalling Key Features Bright orange / red: Visible from the surface – the boat will see you coming up. Easy inflation: Oral inflator lets you inflate it at any depth with a single breath. Durable nylon: Holds shape and colour after years of use. Compact when folded: Fits in a BCD pocket – always with you. Suited for Malaysian Dive Sites The Problue AC-37-9 Alert Marker 4 ft is built to perform across Malaysia’s best underwater destinations. Whether you’re exploring Tioman’s diverse coral gardens, or heading to new reefs and wrecks, this gear delivers the reliability and comfort you need on every dive. Care & Maintenance Rinse after every use – salt and sand clog the inflator. Inflate and deflate a few times while rinsing. Dry fully before folding – mildew inside the buoy is a problem. Inspect the seam and inflator hose for wear. Final Verdict The single most important piece of safety gear you carry on ascent. The Problue AC-37-9 Alert Marker 4 ft is bright, easy to inflate, and reliable – always have one.
