The 4191SN-WH is a V-PLEX magnetic contact by ADEMCO. Designed for easy installation, this contact features a 1/2" recessed lead and 7/8" width. Its white color
The 4191SN-WH is a V-PLEX magnetic contact by ADEMCO. Designed for easy installation, this contact features a 1/2" recessed lead and 7/8" width. Its white color