The IntraSonic RETRO-8AT Vertical Adaptor and Trim Plate kit is for for 8" Room Stations 11 3/4" x 11 3/4". The Room Adaptor Plate allows the Intercom Room Station to be installed into the existing rough-in. The Room Adaptor Plate and Trim Plate are designed to cover larger holes for older 8 inch room stations to eliminate the need for drywall repair.

Dimensions: 11 3-4" x 11-3/4" (Includes Adapter Plate)