How can fire extinguishers be identified?
See the fire extinguisher put hands near the instructions, in the green area is good, the other area is bad.
1, first check the date of production and shelf life;2, check whether there are qualified institutions to check and have a qualified logo;3. Check the position of the indicator of the pressure gauge. In green, it is qualified. Yellow indicates the need for warranty, and red indicates disqualification.
