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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
the Maximum Max-1 is NRR 33 (single-use foam)
Why fluorescent orange
not just the NRR number
with the walkthrough linked in our footer
They are single-use disposable foam plugs
First Alert SMI100 Ionization Smoke Alarm — Battery Operated (Single Sensor) 1 pcs the Maximum Max-1 is NRREDITORIAL REVIEW: 4. 5 5 WC Safety Review First Alert SMI100 Ionization Smoke Alarm Battery Operated Editorial assessment by Steven Eaton, WC Safety editor, based on published First Alert specifications and category fit. We did not laboratory test this product. CHECK PRICE ON AMAZON SHOP SMOKE & CO ALARMS As an Amazon Associate, WC Safety earns from qualifying purchases. Full affiliate disclosure. First Alert SMI100 Ionization Smoke Alarm Battery
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