This back has been tested and it works great.

The ProTeam Super HalfVac Pro HEPA Vacuum Cleaner is a high-quality backpack vacuum designed for efficient cleaning. With a 3.6L bagged capacity and HEPA filter, this gray vacuum cleaner is perfect for removing allergens from your home. It comes with a crevice tool for easy and thorough cleaning. The corded design and 120V voltage make it convenient for use. The ProTeam brand ensures durability and performance, making it a reliable choice for any home.