EcoTech Marine RMS XR15 G5 & G6 Tank Mount SystemBackwards compatible with all generations of Radion Single Fixture Radion Tank Mount Arm Kit Hanging your EcoTech Marine Radion from the ceiling may not always be practical or possible. For this reason, EcoTech thoughtfully created the Radion Mounting System (RMS) for a simple and secure mounting system for the XR15 lighting fixture. Easily mount your Radion XR15 directly to your standard or rimless tank with the EcoTech Marine XR15 RMS. Features