3" Twin Pipe to 3"/5" Innoflue Concentric Adapter

This adapter allows to transition from two 3" single wall pipes to 3"/5" Innoflue concentric (male). Both flue exhaust and air intake outlets on the adapter are 3" Innoflue SW (single wall) pipe size (male end connection) - installed in the same manner as the rest of the single wall piping (3" IANS03 connector ring required).