Oceanic Ultra SD Snorkel scuba breather The large-diameter piston gives you

The large-diameter piston gives you more stable pressure out

gives you ultimate control of your breathing effort at any depth

Ideal for use with over-balanced first stages

PVD Coated Brass Construction: Features a Physical Vapor Deposition (PVD) coating that enhances corrosion resistance and durability

Oceanic Ultra SD Snorkel scuba breather The large-diameter piston gives youDesigned to be exactly what its name suggests, the Ultra Dry snorkel incorporates Oceanics patented Dry Snorkel Technology into an ultra low profile product that is ergonomically designed for comfort and function. Patented dry top deflector prevents water entry Drop away flex mouthpiece Oversized purge valve for easy clearing