Mine was horizontal on the back wall, held on with 8 bolts. The straps were too short for a commercial fire extinguisher, so I lengthened them to fit a 10? Lb kidde.
Sure, ad-blocking software does a great job at blocking ads, but it also blocks useful features of our website like our supporting vendors. Their ads help keep Steel Soldiers going. Please consider disabling your ad blockers for the site. Thanks!