Reddit has great information on vacuums. The community has curated lists ranging in prices, and education surrounding the subject. According to them, you don’t want to go bagless.

I’ve never heard of that brand. I think the brand that is usually available is called Koops. Tbh I’m not totally sure what it “should” taste like, but that mixed with white wine vinegar, paprika, garlic powder, onion powder, Kewpie mayo(or dukes with some msg added), relish and a little white pepper; makes an amazing burger sauce

That’s the kind of mustard I use for my burger sauce