Safety Siren Pro 3 Radon Gas Monitor Detector, 3/BX
EPA Evaluated. Home radon monitor. Ionization sensor. 85db mutable alarm sounds at 4 pCi/L or higher for long and short term readings. Accuracy: +/- 20% pCi/L. Averaging Frequency: Hourly.
Scentry III BB Battery Back-Up for Gas Alarm,6/CS
Case of 6 Scentry III-GFRAB Battery Back-Ups Add a battery back-up to each Scentry II-GFRAB gas alarm (sold separately) with gas valve controller capability (unit sold separately.) Rechargeable...