STI-1100 Stopper II with Horn - Flush Mount			STI-1130 Stopper II w/horn and spacer Surface Mount
	STI-1150 Stopper II with Horn - Flush Mount, for outdoor use			STI-1200 Stopper II - No Horn, Flush Mount
	STI-1210B Horn/Strobe Damage Stopper - Flush with Enclosed Backbox			STI-1210C Horn/Strobe Damage Stopper - Open Backbox, External Mounting Tabs
	STI-1210D Horn/Strobe Damage Stopper with Conduit Spacer			STI-1210E Horn/Strobe Damage Stopper - Flush Mount