Argos Product Support for Kidde 3 Year Smoke Alarm (895/5717)
Carbon Monoxide Detector CO Alarm EN 50291 Certified, Carbon Monoxide Alarm with LCD Display, Replaceable Battery Operated (Not Included 3 AA Batteries), CO Detector for Home 2 pack : Amazon.co.uk: DIY & Tools
Argos Product Support for KIDDE SMOKE ALARM TWIN PACK (700/1569)
Digital Display Carbon Monoxide Alarm 10 Yr Life - Kidde 5DCO