H2ODYSSEY TORID Pulse - Bubble Rings - Signal Device - Signal Diver Below - Surface Blast Water Unique Signaling Devise or Just Plain Fun You Decide! Get Buddy's Attention in Limited Visibility Surface Blast Water 15' (4.6 meters) for Dive Boat's Attention Signal Diver Below while On-Surface Banks" Bubble Rings off the Surface! - One-Cool Underwater/Surface Tool/Toy