The Horizon offers the benefits of a rebreather--extended bottom time, no bubbles, and warm, moist breathing gas--in a streamlined package that operates with a single Nitrox cylinder and a heads-up display.

This rugged reg is designed and built to meet the most demanding conditions for divers who are willing to take on challenges.

ScubaLab's team of divers tested and reviewed 120 pieces of scuba gear in 2019—here is the best of the best, including computers, regulators, cameras and more.

Scuba gear review for the new Apeks XL4+ regulator from ScubaLab.

In this Aqua Lung Titan scuba regulator review, divers evaluate this reg for performance and comfort.

The Seac DX200 regulator performed well in ScubaLab's 2019 scuba regulator review.

ScubaLab test divers review the best scuba regulators of 2019, evaluating each regulator on a breathing machine and in the water.

For added comfort underwater, follow these tips on how to customize your scuba gear setup—with tips for regulators, BCDs and more.

The Apeks XL4+ is especially well-suited for the tactical exploration diver who prefers cold water climates.