It smothers and breaks the chain reaction of Class B fires and will not conduct electricity back to the operator. Temperature Range -65°F to 120°F. You're already purchasing the item.With our dynamic pricing model, our prices are always competitive. Our prices are some of the lowest that you will find on the internet. Rest assured that you're getting a good deal when purchasing with us. The item "Amerex B500, 5lb ABC Dry Chemical Class A B C Fire Extinguisher (2 Pack)" is in sale since Thursday, October 28, 2021. This item is in the category "Business & Industrial\Facility Maintenance & Safety\Fire Protection Equipment\Fire Extinguishers". The seller is "fireasp" and is located in Omaha, Nebraska. This item can be shipped to United States, China.