Pricing mentioned is for EA. Requires a minimum buy of 1 piece. Capacity ; Extinguishing Material=Monoammonium Phosphate; UL-Rating=10-B:C, 2-A; Fire Type=Class A, B and C Fires; Operating Pressure=100.0 psi; Operating Time=13 s [Min], 15 s [Max]; Operating Distance=10 feet [Min], 15 feet [Max]; Height=15.700 inch, 17 in; Width=4.800 in; Diameter=4 1/2 in; Includes=Wall Hanger; Length=5.700 in; Mounting Position=Upright; Body Material=Aluminum;