XS Scuba - Wind Storm™ Safety Whistle TUSA Add Duo Air 2 The HX7/5 Hood and HX9/7

The HX7/5 Hood and HX9/7 Hoods combine super stretch neoprene with a cosy fleece lining for dependable cold-water insulation

This provides two benefits:

Each 1st stage has three medium pressure ports and one high pressure port

the Duo integrates an extremely sturdy tempered safety glass lens that stands up to continued wear and abrasion

Available in 3 mm and 5 mm thicknesses

XS Scuba - Wind Storm™ Safety Whistle TUSA Add Duo Air 2 The HX7/5 Hood and HX9/7The Wind Storm whistles outperform all of the other leading brands of whistles. It even works underwater, up to 50 ft (15. 25 m). Performs in all conditions, in any weather Can be heard on land up to 1 2 mile (804 m) away! Can be heard underwater for a distance of up to 50 ft (15. 25 m)! SOLAS Coast Guard approved