Use Co-Linear Adapter for stoves with 4" x 6 5/8" co-axial outlets. Refer to appliance manufacturer's installatio instructions for approval. Uses 3" aluminum flex for both intake and exhaust.
DirectVent is an unitized, coaxial venting system designed for use with direct vent gas or propane stoves, heaters and fireplaces. The features include tight inner connections for superb performance , with no gaskets or sealant required (unless specified by appliance manufacturer).