The new D420 features a brand-new balanced valve inside a housing supported by a full metal structure. Called the Progressive Flow Control Valve, it is able to deliver abundant airflow for the best breathing performance, with a natural smoothness comparable to what you might experience breathing on the surface.
The uniquely shaped fiberglass-reinforced nylon casing is ultra-durable and allows the LP hose to be connected on either the right or left side for maximum rigging flexibility.
A new dive/pre-dive system includes a switch on the top of the casing with a thumb tab for adjusting the direction of airflow right out of the valve. The highly efficient purge button is a technical jewel based on a new concept that gives the D420 its unique face.
Large purge button is easy to reach and depress, with or without gloves. Exhaust tee is compact and efficiently deflects bubbles from the diver’s view while enhancing ease of exhalation.
Super-flow 3/8″ threaded hose features an oversized bore that allows more air to flow on each inhalation. Compact Hi-Flow mouthpiece improves airflow as well as mouth comfort, fitting all mouth sizes, from largest to smallest.
Regulator weighs 40.8 oz. (1,157 g), is Nitrox compatible up to 40% oxygen and comes with an owner’s manual.
• INCREDIBLY EASY BREATHING
Air-balanced Progressive Flow Control Valve delivers abundant airflow, and the diaphragm positioned in the lower section of the casing makes breathing even easier.
• ENGINEERED FOR PERFORMANCE
Uniquely shaped fiberglass-reinforced nylon casing features inner winglets that direct airflow towards the exhaust valve, creating a dramatic improvement in exhalation effort.
• BUBBLE DEFLECTION
Compact exhaust tee efficiently directs bubbles away from the diver’s line of sight while enhancing ease of exhalation.
• DISTINCTIVE FIBERGLASS-REINFORCED NYLON CASING
Ultra-durable and allows the LP hose to be connected on either the right or left side for maximum rigging flexibility.
• SPECIALLY DESIGNED DIAPHRAGM
Located in the lower section of the casing to take advantage of the pressure gradient in the upright position, making breathing even easier.
• SUPER EFFICIENT & LARGE PURGE BUTTON
Based on a new concept that gives the D420 its unique face, it is easy to reach and depress, with or without gloves.
• DIVE/PRE-DIVE SYSTEM
Includes a switch on the top of the case with a thumb tab for adjusting the direction of airflow right out of the valve.