Keeping your HVAC coils clean from mold and mildew growth is easy with RGF’s patented, high quality BLU QR® UV Stick Light! BLU QR® features RGF Environmental Group's exclusive quick-release lamp, which requires no tools for the lamp replacement. It comes standard with four easy-to-install mounting options right in the box, including the magnetic mount, through panel mount, bracket mount and direct mount.