Photo 1 of 4Pcs Fire Sprinkler Covers:Sprinkler Head Cap for Ceiling System Protective Caps Trim Ring Outer Diameter Inner Diameter Indoor Protection for Fire Heads,Screw-In Installation,Suitable for Residentia

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Photo 1 of 4Pcs Fire Sprinkler Covers:Sprinkler Head Cap for Ceiling System Protective Caps Trim Ring Outer Diameter Inner Diameter Indoor Protection for Fire Heads,Screw-In Installation,Suitable for ResidentiaPhoto 2 of 4Pcs Fire Sprinkler Covers:Sprinkler Head Cap for Ceiling System Protective Caps Trim Ring Outer Diameter Inner Diameter Indoor Protection for Fire Heads,Screw-In Installation,Suitable for Residentia