PhotoDiving Unlimited International of San Diego, Calif., is calling scuba diving regulators that can malfunction, posing a drowning hazard.

The firm has received three reports of units malfunctioning during diving. No injuries have been reported.

This recall involves Ocean Management Systems (OMS) Airstream Evoque regulators for scuba diving. The metal regulator attaches to the scuba tank valve and controls the pressure of the air a diver breathes.

Only regulators with the following serial numbers are included in the recall:

Serial Numbers

57792121 to 57792200

57813071 to 57813150

57814061 to 57814100

57813264 to 57814403

“Airstream” and the serial number can be found on the body of the regulator.

The regulators, manufactured Taiwan, were sold at authorized Diving Unlimited International dealers nationwide and online at and from February 2017, through June 2017, for about $500.

What to do

Consumers should immediately stop using the recalled regulators and return them to DUI for a full refund. The firm is notifying all purchasers directly.

Consumers may contact Diving Unlimited International at 800-325-8439 from 8:30 a.m. to 5 p.m. (ET) Monday through Friday, by email at or online at and click on “Service Bulletins” under the support tab at the top of the page for more information.

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