Dive Signal Tubes are now a requirement for all divers.
If you don't Dive with a Signal Tube Surface Marker Buoy (SMB) you need to start now, it makes sense to be Safe! The Dive Signal Tube is made of Durable Cordura material and comes in a Hi-Viz Orange Color for Easy-Identification at the Surface. Signal Tube Independently-Inflates with a Screw-Down Oral Inflator Mouthpiece to 45" (114.3 cm) tall making it Easy-to-See from a Distance.
The Aqua Marine Whistle is a unique Survival Whistle that Clips to Pocket or Belt. Whistle also has Lanyard Attachment. S.O.S Whistle is made from High Impact Polypropylene. The Whistle has Extremely High Decibel Level of 113dB with Minimal Effort and can be heard up to 1.5 miles (2.5 km). The Aqua Marine Whistle is a Pea-Less Design with no moving parts to Jam of Freeze-Up. Whistle is Bright Orange in color and measures 2.75" in x 75" (7 x 1 9 cm) and weighs 0.33 oz (9.36 g).