AquaLung Airsource 3 QD Dive Reels The ventilation is excellent

The ventilation is excellent

Physic-enhancing cut

Increments: Depth gauge in 10 feet increments and pressure gauge in 500 pound increments

One of the most popular masks in the world

Mask in pure

AquaLung Airsource 3 QD Dive Reels The ventilation is excellentThe Airsource 3 combines the second stage with a power inflator. The second stage valve is pneumatically balanced resulting in unparalleled performance and consistent breathing from start of dive to end. Ideal for use with over balanced first stages. The Airsource 3 combines a high performance second stage with a power inflator. By eliminating the need for a traditional octopus, the diver can streamline his entire system. In addition, unlike a