Firex 4580 Photoelectric Smoke Alarm Detector, 120V AC Direct Wire with Battery Back-up (Upgraded to P12040 + KA-F)

Firex PAD Photoelectric Smoke Alarm Detector, 120V AC Direct Wire with Battery Back-up (Upgraded to P12040 + KA-F)

Firex 46184 120V AC Direct Wire with Battery Back-up Smoke Alarm with Moisture Resistant Coating (Upgraded to REPL-KIT)

Firex PG40 Photoelectric Smoke Alarm Detector, 120V AC Direct Wire with Battery Back-up (Upgraded to P12040 + KA-F)

Firex 4418 AC Smoke Alarm with Battery Back-up and False Alarm Control

Firex FPAD Photoelectric Smoke Alarm Detector, 120V AC Direct Wire with Battery Back-up (Upgraded to P12040 + KA-F)