Carbon monoxide is a particularly dangerous gas. It is colorless, it is odorless and above all it is lethal. That’s why it is so important that CO checks are carried out by the book when a gas heat...
Be alerted about CO concentrations which are hazardous to humans. Before entering a boiler room, a leak or some similar problem may endanger the life of the fitter. Tobacco smoke, petrol heaters, d...
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from € 578.28* per pack
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