Check the listing for details. SEAC DX200 INT Regulator - First Stage Only (0350072000004A). Condition: Used. Listed at 476.10 USD. SEAC DX200 is a versatile and lightweight regulator with balanced, high performance first and second stages. The diaphragm first stage is made of forged brass, minimizing the weight and dimensions, guaranteeing a constant intermediate pressure throughout the dive and at all depths. The first stage has 2 HP and 4 LP ports at different inclinations for an optimal hose layout. The removable stainless steel valve seat can easily be replaced during maintenance. The second stage, with a high impact design, has an anti-scratch and anti-corrosion front cover. Both the Venturi and the inhalation sensitivity knobs can be adjusted to produce the perfect pressure for ease of breathing. These adjustment knobs are easy to set for optimal trim, even when wearing thick gloves. The OWS front cover design system prevents free-flow even in strong currents. Available with INT 230 BAR or DIN 300 BAR. All SEAC regulators are Made in Italy. Features Top performance, lightweight balanced adjustable regulatorBalanced 2nd stage inhalation and air-flow controls are easy to useBalanced diaphragm 1st stage delivers consistent performance as tank pressure changesHP outlets: 2, 4 LP outlets: 2 inclined at 20 degrees, 2 inclined at 30 degrees to reduce hose strain and dragAbrasion- and scratch-resistant metal components