Aqua Lung AT 20 / US4 Regulator

An entry-level regulator from the expert Apeks. A wise choice for the diver enthusiast.

• The first stage is a balanced diaphragm design
• The first stage has 1 high pressure port and 4 medium pressure ports
• The 2nd stage uses a pneumatically balanced valve system for excellent breathing
• It is designed for water temperatures above 50°F (10°C)
• The AT20 has an ergonomically designed control for the venturi that enables you to control the airflow within the second stage at the turn of a lever
• Comes standard with the Comfo-bite mouthpiece for increased comfort
• Compatible to EAN 40, new, out of the box