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FireAngel Optical Smoke Alarm with 10 Year Sealed For Life Battery, FA6620-R (ST-622 / ST-620 replacement, new gen) , White : Amazon.co.uk: DIY & Tools
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FireAngel ST-622 White Battery Powered Thermoptek Multi-Sensor Smoke Alarm With Test/Hush & 10 Year Sealed For Life Lithium Battery - Shop4 Electrical
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