Kirby Sentria II Outer Bag & Emptor Assembly 1699-1 This genuine ProTeam twist cap

This genuine ProTeam twist cap (Part #104273) is the lid for the ProVac PV-100 backpack and fits the Aviation Vac and QuietPro BP

or a machine that no longer answers its controls at all

Fit the replacement in place of the worn bellows and confirm both ends seat fully

and Automatic X4 machines

As the cartridge collects fine dust it gradually restricts airflow

Kirby Sentria II Outer Bag & Emptor Assembly 1699-1 This genuine ProTeam twist capThis genuine OEM Outer Bag and Em Tor Assembly (Part #187912G) is engineered to Kirby factory specifications for the Sentria II. The outer cloth bag surrounds the inner paper bag and serves as secondary filtration, while the Em Tor seats the bag and directs airflow into the collection system. A torn or worn cloth bag lets fine dust escape into the room, and a loose Em Tor breaks the seal that keeps suction strong. This factory spec replacement