Selkirk-Metalbest Metalbest 5" Inner Diameter - Direct-Temp Direct Vent Pipe - Double Wall - Vinyl Siding Standoff

5" x 8" Direct Vent Vinyl Siding Standoff from Direct-TempUsed as a heat shield for vinyl siding when terminating horizontally.Direct-Temp system features stainless steel inner and heavy duty galvanized steel outer walls. Heavy duty centering brackets keep inner pipe centered and chamfered edges allow for easy slide-together assembly. The free-floating inner liner allows the pipe to expand and contract under high temperature, without creating gaps or stress points. The LockTab(r) is a unique design that ...