GREYSTONE Vietnam, CMD5B1000, GFS-80U-NPIKG, DSD240, GREYSTONE Việt Nam 

100% Canada Origin GREYSTONE Vietnam Model: CMD5B1000
 Wall/Surface Mount Carbon Monoxide Detector Sensor
 No Relay, 0-300ppm, 4-20mA 2-wire loop powered output
100% Canada Origin GREYSTONE Vietnam Model: GFS-80U-NPIKG
 Air D/P Switch Sensor
 20-300 Pa (0.08" to 1.20" w.c.)adj. range, 1/2"NPT connecon, UL/CE, c/w install kit (Replaced for GFS-80-N-IK)
100% Canada Origin GREYSTONE Vietnam Model: DSD240
 4 wire photoelectric duct mount smoke detector Sensor, 240 Vac
 Replaced for SL-2000-P