Bissell Internal Air Duct Koblentz helping locate and seal the

helping locate and seal the dust bag correctly inside the compartment

The metal lining is built for cool to warm ash pickup and is not intended for hot ash or live coals

Tip: replace both brushes together and check the commutator for wear

Compatible with Wessel Werk 1703

so you switch surfaces without changing attachments

Bissell Internal Air Duct Koblentz helping locate and seal theThis genuine OEM internal air duct fits the Bissell 1383 and related deep cleaners, routing airflow through the machine. It maintains the internal path that carries air where the design intends. A cracked or broken duct leaks air and disrupts the intended flow, which can undercut cleaning performance and stress nearby components. A precise replacement restores the sealed internal path and proper function. Fits: Bissell 1383, 66Q4, 66Q42, 73A5, 8920,