The PAC525FC 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 and cover adds an aesthetic professional appearance and drywall mounting capability.Compatible with the PST, PRO, PLP, MSR, MTR, MWH, MWR, PWR, PNR, PDR, Thinstall, and FUSION wall mounts.