Kidde KI-SB4 Standard Detector Mounting Base w/ 4-inch Trim Skirt

Kidde Standard Fire Smoke Detector Mounting Base with Direct Wire Connector

Kidde KI-SB4 Standard Detector Mounting Base w/ 4-inch Trim Skirt

Kidde KI-SB Detector Mounting Base Standard

Kidde KI-SB4 Detector Base 4-Inch w/Trim Skirt

Kidde KI-SB Detector Base Standard