These fixtures are a great and easy way to convert a regular screw in recessed can fixture to accommodate a low voltage SoLux daylight bulb. With the 6" Recessed Adaptor Trim Fixtures (pictured on the right), all you need to do is screw the transformer into your existing recessed can and snap in the new trim. To achieve a wider beam spread with a softer light order the plano-convex diffuser.