Polycarbonate backplateRecommended for use on unstable or uneven surfaces and weather applicationsFor use with "C" and "D" back boxes. Models: STI-1210C, STI-1210D, STI-1221C, and STI-1221D
CompareSTI-1210CHorn/Strobe Damage Stopper® and Open Back Box with External Mounting TabsColors: Dimensions:8.5 in H x 6.5 in W x 4.75 in DView Details
CompareSTI-1210DHorn/Strobe Damage Stopper® and Open Back Box with Conduit KnockoutColors: Dimensions:8.5 in H x 6.5 in W x 5.75 in DView Details
CompareSTI-1221CStrobe Damage Stopper® and Open Back Box with External Mounting TabsColors: Dimensions:8.5 in H x 6.5 in W x 4.75 in DView Details
CompareSTI-1221DStrobe Damage Stopper® and Open Back Box with Conduit KnockoutColors: Dimensions:8.5 in H x 6.5 in W x 5.75 in DView Details
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