A filter strip is provided for rolling sheets to construct custom cigars andor cigarettes. The extremities have cutting blades mounted thereon. The invention also provides pharmaceutical compositions containing such compounds, processes and intermediates for preparing such compounds and methods of using such compounds to treat pulmonary disorders. The semiconductor device is structured such that the drain plug is linearly disposed to extend in a direction Y, and the source plug includes a plurality of separated source plugs arranged at predetermined intervals in the direction Y.