Apollo Discovery Optical Smoke Detector 58000-600APO,

Description Apollo Discovery Optical Smoke Detector. The Discovery Optical Smoke Detector works using the light scatter principle and is ideal for applications where slow-burning or smouldering fires are likely.   Apollo Part Numbers: 58000-600APO, 58000-500APO, 58000-500SIL, 58000-600SIL Made in the UK