Patent ID: 8256157

Claim:
A fumigation apparatus for decontamination, disinfection or delousing of a building comprising: (a) a source of fumigation solution; (b) a fog generator exterior to said building having an input flow of the fumigation solution and an output flow of a fog of said solution; (c) a hose for conveying said fog to a building to be fumigated; (d) a nozzle on the outer end of said hose that is formed of: (1) a body portion that includes a central bore axially aligned in said body portion through which said fog is pumped into said building through at least one inlet port in a sidewall of the building; (2) a flange extending radially outwardly from said body portion and coaxially aligned with said bore, said flange including at least one slot so that when said apparatus is pumping said fog into said building air is drawn through said at least one slot as a result of a venturi effect to improve the flow of fog into said building.