Stainless steel spacer for Stainless Steel Smoke Detector Protector series Adds 50mm (2") to depth of cover and has knockout for mounting around exposed conduit9 in H x 9 in W x 2 in D
CompareSTI-8200-SSSmoke Detector Damage Stopper®, Flush Mount - Stainless SteelColors: Dimensions:8 in H x 8 in W x 3 in DView Details
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