Share: Title:School Fire Drill #13 | Simplex! Duration: 1:44 Plays: 4.1M views Published: 6 years ago Download MP3 Download MP4 Simillar Videos ▶️ 12:46 S.e.r. Safety's Fire Alarm Collection | Notification Appliances 4.1M views • 2 years ago ▶️ 13:39 S.e.r. Safety's Fire Alarm Collection | Pull Stations 4.1M views • 2 years ago ▶️ 4:46 S.e.r. Safety's Fire Alarm Collection | Panels And Other Equipment 4.1M views • 2 years ago ▶️ 13:07 Unboxing A Lot Of Things From S.e.r. Safety! 4.1M views • 6 years ago ▶️ 5:53 System Test 11 At S.e.r. Safety's House! 4.1M views • 7 years ago