an environmental containment system has a wall frame for mounting to a wall . the wall frame has a left section and a right section . the wall frame has a top section and a bottom section . the wall frame extends horizontally from a vertical plane and has a wall side opening and a working side opening . a suction opening is formed on the wall frame . a filter is mounted to a filter opening formed on the wall frame . a pair of mounting brackets are spaced apart horizontally at a set predetermined distance . the pair of mounting brackets includes a right mounting bracket and a left mounting bracket . the right mounting bracket has at least one right screw opening , and the left mounting bracket has at least one left screw opening . the pair of mounting brackets are mounted to an inside surface of the wall frame .