A certified fire equipment dealer or service company are the only ones that should recharge your rechargeable fire extinguishers. For a certified fire equipment dealer, check your local yellow pages or your favorite search engine under "Fire Extinguishers." First Alert® rechargeable fire extinguishers include units FE5GR, FE10GR, FE1A10GR, FE2A10GR, FE3A10GR, FE3A40GR, FE4A60B, and FE20A120B.