April 2011 -- The CHASE SECURITY SYSTEMS CSGWS 73 wire guard is designed to work with most ceiling mounted Horn / Strobe devices and Smoke Detectors. The unit measures 7 ½” inside diameter with a depth of 3”. The CSGWS 73 features a tapered design to match the contour of the installed device and uses wire-formed loops to provide a secure mounting base. Available finishes include white or red polyester to compliment the enclosed product. Service plates are available for installations in open areas.