VEVOR Shop Vacuum Wet And Dry, 5 Gallon 6 Peak HP Wet/Dry Vac, Powerful Suction with Blower Function with Attachments 2-in-1 Crevice Nozzle, Small Shop Vac Perfect for Carpet Debris, Pet Hair, Car

It is 4m.

This has its own reusable/cleanable dust filter, which dumps the dirt into the body of the vac, and you then open the body and dump out the dirt. I suppose you could put a bag in the bottom of the canister - look for 5 to 8 gallon size, perhaps a household trash can size. But you really don’t need it.

Please replace paper filter with sponge filter, remove bag filter.

It comes with a very effective filter. Not sure if it’s HEPA certified, but it’s pretty good. I use it for very fine sanding dust. Not sure how you’d install an aux filter anyway.

According to the product information, it comes with a sponge filter and a high-efficiency filter that can be cleaned or replaced.