The 150LX regulator is similar in design and performance to the 200LX but without the PVD Plating and diver inhalation adjustment. The 150LX delivers great performance at a moderate price. This second stage is paired with the DC7 for a great travel the world design or for those divers looking for great performance and certified to 40% oxygen. The 150LX is also paired with the workhorse HO2 1st Stage for use with 100% oxygen. The second stage front metal ring, packing nut & end cap are all made of 316 Stainless Steel. All LX regulators come standard with MiFlex® hoses and orthodontic mouthpieces with dual color tabs. It comes standard in both YOKE or DIN configuration. The LX regulators come standard with Holliss Lifetime Warranty, 2-Year Service Interval and Free Parts for Life. Pneumatically balanced chrome-plated brass valve results in smooth, easy breathing Reversible demand valve, can be converted from right-handed hose configuration to left handed hose configuration Adjustab