What type of Smoke Alarm should I Install? Ionization or Photoelectric - YouTube
Rue Mohr on Twitter: "An ionization detector will trip if it senses the waft of heat from your oven when you open it. A photoelectric will trip if its exposed to the
Model S250 Ionization Smoke Detector from Safety Systems Technology : Quote, RFQ, Price and Buy
Universal Security Instruments 5304 Hardwired Ionization Smoke and Fire Alarm with Battery Backup