With top scores in its category for dry, easy breathing, the Oceanic Delta 5 regulator was our Testers Choice for regulators under $600.

The Aqua Lung Calypso was our Testers Choice for scuba regulators under $400 in ScubaLab's 2017 regulator test. See what made this reg a winner.

ScubaLab tested and reviewed 20 new scuba diving regulators — including nine regulators under $400.

ScubaLab highlights some of the latest octos so you can choose a reliable secondary scuba diving regulator and be prepared in case of emergency.

A scuba reg is a critical piece of life-support gear, but it also needs to be so comfortable, you barely notice it’s there. That’s what you get with the AC10V / Master Cromo.

ScubaLab's quick guide to must-have scuba diving gear. Check out the latest scuba diving gear.

IST Sports

With Cressi’s sophisticated regulators, breathing underwater feels as natural as on land. Cressi gear offers the best quality and performance for scuba diving.

A core philosophy behind every Dive Rite product is “Dive Streamlined”, the XT Advanced Open Water Regulator Package is a perfect example of that.