Metalbest 4" Inner Diameter - Direct-Temp Direct Vent Pipe - Double - Universal Adapter

4" x 7" Direct Vent Universal Adapter from Direct-Temp The appliance adapter can be used to ensure a secure connection to twist-lock type appliance outlet collars but is not required in every application. Direct-Temp will slide directly onto most direct vent appliance outlets. 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 allows for 360° rotation while securely locking the sections of pipe together with just a push of the tab. Features: Siliconozed fiberglass seal LockTab security Pipe rotates easily to align system components No sealant required High efficiency performance For all direct vent appliances with 4" x 7" outlet including Napoleon Connection Specifications: Joint/C...