Delightful UK:\nPremium Quality, Exceptional Service\nExperience the Difference. Shop with Confidence. \nFIREX ALARM PATTRESS BOX\nMADE BY KIDDEE\n\nEnsure a secure installation for your smoke alarms with the Kidde SMK4896 Surface Mounting Kit.\nThe Kidde SMK4896 is a high-quality surface mounting base designed specifically for use with Kidde Firex mains-powered smoke and heat alarms. This kit is the ideal solution for installations where wiring cannot be recessed into the ceiling or wall, such as in buildings with concrete ceilings or during safety upgrades using surface-mounted trunking. By providing a stable and spacious platform for your alarms, it ensures a tidy, professional finish while maintaining the integrity of your home fire detection system.\n\nHOW IT WORKS\nThe SMK4896 acts as a spacer or \""pattress\"" box between the mounting surface and the alarm unit.\nTo install, the base is screwed directly onto the ceiling or wall.\nIt features multiple knock-out points that allow.