Atomic Aquatics is a manufacturer of scuba gear

Scuba diving

Scuba diving is a form of underwater diving in which a diver uses a scuba set to breathe underwater....

, founded in 1995 in Huntington Beach, CA by Dean Garraffa and Doug Toth. The company is best known for regulators

Diving regulator

A diving regulator is a pressure regulator used in scuba or surface supplied diving equipment that reduces pressurized breathing gas to ambient pressure and delivers it to the diver. The gas may be air or one of a variety of specially blended breathing gases...

, but also manufactures snorkels, masks

Diving mask

A diving mask is an item of diving equipment that allows scuba divers, free-divers, and snorkelers to see clearly underwater. When the human eye is in direct contact with water as opposed to air, its normal environment, light entering the eye is refracted by a different angle and the eye is unable...

, and fins

Swimfin

Swimfins, swim fins, fins or flippers are worn on the foot or leg and made from finlike rubber or plastic, to aid movement through the water in water sports activities such as swimming, bodyboarding, bodysurfing, kneeboarding, riverboarding, and various types of underwater diving.Scuba divers use...

. The company introduced the world's first titanium diving regulator in January 1997.

All Atomic first stages are flow-through piston designs.