Source I® Series Flush Activations offer a wide variety of single service power and communication activations for infloor distribution systems. Source I fittings are available in brass or in black or brown polycarbonate finishes. They are ideal for new construction and retrofit projects and can be used as presets or aftersets with Walkerduct® and Walkercell® systems.

• Extension ring - mounts on top of 437 Attaching Ring.
• Includes extension ring and three mounting screws. 4'' (102mm) O.D. 7/8'' ring depth.