Smoke Alarms and Carbon Monoxide Detectors

E3SRMCO SURFACE MOUNT REMOTE CARBON MONOXIDE CO SENSOR (MASS CODE CALLS FOR A SECOND CO SENSOR)
Product #: E3SRMCO
First Alert GCO1CN Plug In Combination Explosive Gas/Carbon Monoxide Alarm, Digital Display with Battery Backup
Product #: GC01B
Battery Operated Basic CO Carbon Monoxide Alarm (9CO5-LP2) - boxed - KIDDE
Product #: KN-COB-LP2-BOX
5.6" x 1.55", 120 VAC, 85 dB Horn, Photoelectric Operation, 24-Interconnection, Hardwired, Smoke Alarm
Product #: P12040
One Minute Smoke Candles For Leak Detection. SMOKE BOMB
Product #: SM606