Selkirk-Metalbest Metalbest Direct-Temp 4" x 6-5/8" Direct Vent Cathedral Style Ceiling Support Box

4" x 6-5/8" Direct Vent Cathedral Style Ceiling Support Box from Direct-TempUsed to support Direct-Temp pipe when installing in a cathedral or pitched ceiling. CCS comes with Support Collar and Decorative two-piece trim plate.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 unde...