Stainless steel spacer for Stainless Steel Smoke Detector Protector series Adds 50mm (2") to depth of cover and has knockout for mounting around exposed conduit
CompareSTI-8200-SSSmoke Detector Damage Stopper®, Flush Mount - Stainless SteelColours: Dimensions:203 mm H x 203 mm W x 76 mm DView Details
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