Question

what is hopcalite mask

I want CORRECT ANSWERS

Plz DON'T paste from Google

Otherwise I will reported ​

Answer 1

Answer:

its not copy on google

Hopcalite is the trade name for a number of mixtures that mainly consist of oxides of copper and manganese, which are used as catalysts for the conversion of carbon monoxide to carbon dioxide when exposed to the oxygen in the air at room temperature.

you and me are same class dude

Answer 2

mm .... it is a mask that filters toxic gases and gives fresh air....