How can the dry powder in the fire extinguisher be used up?
To qualified fire equipment supplies shop re filling on the line, about half of the work will be filled well, after filling, fire equipment supplies shop will be affixed to the qualified inspection tag to you, 4Kg dry powder fire extinguisher costs 15~20 yuan
Go to the fire department storeIt's cheaper than buying a new oneIn fact, as soon as the validity period is over, the powder must be changed
To the fire extinguisher shop or fire extinguishing equipment enterprises, the use of fire extinguishers filled with dry powder extinguisher on the line ~!However, if you want to ensure the use of safety, you must pass the qualified inspection!