Hollis' flagship regulator is the 200LX + DCX Regulator, designed by divers for divers. Every feature is designed with high performance and superior manufacturing at every step. The 200LX can be converted from a right-handed hose configuration to a left-handed hose configuration in a manner of minutes. The valve of the 200LX is “PVD” Industrial Plated. PVD is a super-hard coating that is by far the most durable coating available today. Superior quality that will outlast any traditional plating. The front metal ring, packing nut and inhalation knob are also “PVD” Plated. All LX regulators come standard with MiFlex® hoses and orthodontic mouthpieces with dual color tabs. It comes standard in both YOKE or DIN configuration