Hollis 150LX OctopusThe 150LX, similar in design to the 200LX but without the PVD Plating. The 150LX delivers great performance at a moderate price. All LX regulators come standard with MiFlex hoses and orthodontic mouthpieces with dual color tabs. It comes standard in both YOKE or DIN configuration. Features: Pneumatically balanced chrome plated brass valve results in smooth, easy breathing Reversible demand valve, can be converted from right handed hose configuration