If your fire extinguisher has a gauge, then it can be filled. If there is no gauge, then the fire extinguisher is for one-time use only, and is disposable. If you live in Lane County, you can have your extinguishers filled and serviced at: A -1 Fire Protection: (541) 726-7287 National Fire Fighter Corp: (800) 423-8347 Industrial Fire & Safety, LLC: 541-510-2610