I have a Kidde (I'm in CA though, not Minnesota) but my fire extinguisher is only good for a year then you have to buy a new one. Around here it costs just as much to have a fire extinguisher serviced as it does to buy a new one so I buy the one that you get rid of at the end of the year. You may want to figure out which Kidde fire extinguisher you have because you may have the "throw away" kind. It's kind of hard to tell the difference if you go out and buy one from a home improvement center. I used to work for Lowe's while I was getting ready to do daycare and I bought one from there and even I had a hard time figuring it out. The box doesn't exactly say it out right in big bold letter KWIM? I had to ask my co-worker in hardware. Make sure that you have the right extinguisher if you're having it serviced. $9-$10 to have a FE serviced is awesome. I called EVERYWHERE and they would quote me $65 and up
