A fire extinguishing kit includes a self-contained wall mountable
fire-extinguishing device having a base plate with an upstanding igniter
and a depending non-projectile thermal actuator. The base plate is
surrounded by a hollow frangible hull, which in turn is supported by
another base plate, which also supports from below a distal end portion
of the depending non-projectile thermal actuator. The hollow frangible
hull is loaded with a sufficient amount of a dispersible dry
fire-fighting chemical agent to facilitate extinguishing a
small-localized fire when dispersed by the isotropic explosive force of
the igniter.