Kidde 09145 - 9 volt Battery Operated 4" Smoke Alarm with Standard Base Plate (Battery Included) (0914E i9040)
$8.49
Kidde 9 volt - Battery Operated - 4" - Fire Sentry | Kidde Smoke Alarm / Detector with Standard 5" Base Plate (Battery Included) (0914E i9040 09145)