SMR-2GU-180x55 Round Smoke & Sensor Universal Flush In-Wall Mount | Two-Gang Ring Included

SMR-2GU-180x55 Round Smoke & Sensor Universal Flush In-Wall Mount | Two-Gang Ring Included The SeeLess Universal Two-Gang Round Smoke & Sensor Flush In-Wall Mount is engineered for trim-free integration of round smoke detectors and sensors in modern residential and commercial interiors. Designed to create a clean, recessed appearance, this plaster-in platform allows devices to sit flush with the finished wall or ceiling surface—reducing visual clutter while maintaining proper sensor exposure. Built around a universal two-gang adapter ring, the platform installs into standard 4-square metal back boxes and supports Carlon Old Work plastic boxes and low-voltage mud rings for added installation flexibility. The base opening is designed to accommodate devices with a minimum diameter of 6.18 inches, ensuring full coverage of the two-gang ring opening and a refined finished result. This universal mount is designed for use with select round smoke and sensor devices, incl