I would strongly recommend the Honeywell XC100 D or any of the XC 100
series. They seem to have all the features you could hope for and more
and retail for 30 in UK. They have sealed battery with 10yrs life &
guaruntee, a window giving actual level of CO, two different alarm
levels, the lowest saying ventilate and the highest saying
'Evacuate'accompanied by a bright flashing light and a noise much louder
than the Europa stall warner. Looks much the same as the others so no
point in adding picture.
Regards, David Joyce, GXSDJ
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