Hello, and thank you for viewing our listing for a Genuine Numatic NVM-3BH Vacuum Bags. This part is known as 604017.

These are a genuine Numatic Product.

To fit the following machines or any machine with 570 in the model number -

NDS570, NVQ570, NVDQ570, WV570, WVD570, MV570, HZ570, HZD570

If you're unsure which bags are correct for your machine, or have any other questions regarding this item, please contact us using the 'Contact Seller' link above.