AmScuD’s RX Second Stage and RX20 PRO First Stage produce a low-priced, no-frills regulator system that offers easy breathing. This regulator is so rugged and economical to maintain (replacement parts are inexpensive) that it’s become popular as a rental. It can be used with air or nitro mixtures up to 40 % right out of the box. The RX20 PRO lightweight material and anatomically designed mouthpiece translates into a second stage that won’t cause jaw fatigue. The RX20 PRO second stage is a dependable downstream demand valve design. It is also complete with DIVE AND PREDIVE knob for The RX20 PRO First Stage Regulator offers all divers the opportunity to own a top performing regulator. Repeatedly rated as the best in its class, the RX20 PRO exceeds both Navy Class A and European CE standards. The RX20 PRO is a non-balanced flow-by piston designed regulator. This simple yet fail-safe design will deliver air even if there is a first stage failure. Made of marine grade chromed brass for durability and long life, the ZX10 first stage has 4 LP ports and 1 HP port with 3/8″ and 7/16″ threads. The Regulator weighs 26 oz. (737 1 g) and comes with a 30″ (76 2 cm) 3/8″ threaded low pressure hose. AmScuD RX20 PRO Features: Rugged and Economical Design Popular as a Rental Regulator Proven Cost Effective to Maintain Nitrox Ready Up to 40% Total Weight: 32 oz. (900 g) Hose Length: 30″ (76.2 cm) Hose Thread: 3/8″ Owner’s Manual First Stage: RX20 PRO Non-Balanced Flow-By Piston Design Fail-Safe Valve Design 4 LP Ports 3/8″ Thread 1 HP Port 7/16″ Thread 2’nd Stage LITE Dependable Downstream Demand Vale Design Lightweight ABS/Polycarbonate Housing Compact Design 2.9″ (7 cm) in Diameter Anatomical Mouthpiece for Reduced Jaw Fatigue
