Aeris AT 400 Sport Regulator - Regulators

Need help deciding which Aeris Regulator is for you? Click for an Aeris Regulator Feature Comparison Chart (Adobe Acrobat PDF).

AT 400 First Stage
High performance over-balanced diaphragm first stage with environmental seal and the added protection of DVT (Dry Valve Technology). 4 LP ports, 2 HP ports for maximum hose placement. DVT eliminates corrosion of critical internal components, bacteria, hose deterioration, and damaged gauges and computers.

ATMOS Sport Second Stage
Sure to provide you the highest performance for many years. The venturi assist deflector vane directs airflow from the valve directly to the mouthpiece producing a smooth "venturi assisted" inhalation. Turning the venturi assist down, to a pre-dive position, prevents regulator free-flow while on the surface.

DVT (Dry Valve Technology)
A patented design that puts an end to flooded regulators without sacrificing performance! DVT is a revolutionary regulator technology designed to automatically prevent moisture and contaminants from entering your first stage, even if the dust cap is left off. One of the greatest innovations in regulator technology in recent history. DVT is a fully automatic valve that protects your first stage reguloator's internal components against the harsh water environment in which we work and play; with no impact on the regulator's first-class performance. DVT provides an "automatic extra layer of protection" from environmental contamination such as dirt, dust, sand, spray, dripping and pooled water, or even a "flash flood" in a rinse tank. DVT improves performance and reduces service costs associated with corrosion of critical internal components, bacteria, hose deterioration, and damaged gauges and computers.

How Does It Work? Open the tank valve and air is delivered through a downstream system without restriction. When your dive is finished, before the regulator is even removed from the tank valve, the Dry Valve Technology system is already closed, sealing out moisture and any other contamination. The filter is safely positioned behind the mositure barrier to eliminate filter flow restriction due to corrosion.

Adjustable Venturi Switch
The adjustable deflector vane found in the ATMOS Pro diverts airflow from the valve directly to the mouthpiece, producing smooth venturi-assisted inhalation. With the addition of a user-adjustable venturi system, full adjustment control rests in the hands of the diver.

Computer Optimized Design
AERIS regulators are exclusively designed using the latest 3-D computer modeling techniques. This allows us the ability to model and test performance while still in the early stages of development. The ATMOS Pro's unique deflector vane and housing design diverts airflow from the valve directly to the mouthpiece, producing smooth venturi-assisted inhalation.

Lightweight
The Sports' housing is made from an ABS/Polycarbonate composite blend of materials making the ATMOS Pro both extremely rugged and lightweight (5.4 ounces) and nearly neutrally buoyant underwater, reducing jaw fatigue on extended dives. The extremely ligweight cover ring is machined from a solid piece of aircraft aluminum, and then hard anodized, utilizing a unique process to prevent corrosion.

Nitrox Compatibility
The AT 400 Sport Regulator is classified as being suitable for use with nitrox breathing gas mixtures containing up to 40% oxygen by volume without the need for special preparation, cleaning or component parts.

Gearing up? We include free professional assembly, testing and tuning with your purchase. Take advantage of one of our package deals or create your own custom system. Our Certified Scuba Diving Instructors and Professional Equipment Specialists are here to help!