Marketing Information The Model dmcFD Door Station Retrofit Mounting Frame is used in retrofit intercom installations when replacing a NuTone door station. This frame is not required when replacing old style M&S brand door stations in a retrofit installation. This retrofit mounting frame fits Model BD3N, BD3BN, D3N, D3BN, DS3, and DS3B Door Stations. Information >Information Name : M & S FRAME FINISH OUT, Nortek Security & Control LLC, Linear PRO Access Category : MUSIC-&-SOUND, Intercom Systems,...