Hollis 100LX + DC3 RegulatorThe 100LX has the performance of the 150LX, but is paired with the DC3 for a great value regulator. 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 Features: Pneumatically balanced chromed plated brass valve results in smooth, easy