HOW MANY: About 6,970.FOR MORE: Contact Dillon Importing at 800-654-3696 Monday through Friday between 10 a.m. and 6 p.m. EDT, or visit the firm's website at http://dillonimporting.com . ____ DIVE COMPUTERS DETAILS: Cobalt Dive Computers manufactured by Atomic Aquatics of Huntington Beach, Calif.; sold at authorized Atomic Aquatics dealers from November 2010 through July 2012. The Atomic Aquatics brand Cobalt dive computers are handheld, console-style dive computers with LCD screens and four magnetic control buttons located below the screen. A fitting at the bottom of the computer connects to the high pressure hose of a scuba diving regulator. The Atomic Aquatics logo is imprinted on the front of the console, below the screen. The dive computers were manufactured in the United States. WHY: The unit can leak and cause the lens of the computer to blow off suddenly, which could result in impact injuries, and can cause a gas leak, posing a drowning hazard. INCIDENTS: None reported. HOW MANY: About 4,000 in the U.S.; 200 in Canada. FOR MORE: Contact Atomic Aquatics at 888-270-8595 Monday through Friday between 11 a.m. and 8 p.m. EDT or on firm's website at http://www.atomicaquatics.com .