The PAC526FW simplifies flat panel installation by providing an organized, recessed space for routing excess cables and for attaching surge protectors/power conditioners. The addition of the flange adds an aesthetic trimmed appearance and drywall mounting capability. Compatible with the PST, PRO, PLP, MSR, MTR, MWH, MWR, PWR, PNR, PDR, Thinstall™, and Fusion wall mounts. Width: 14.25 Inch Depth: 3.9 Inch Height: 14.25 Inch