That’s fool proof yes. Though the semi local hardware store that’s an Miele dealer actually sells bags on Amazon. (It’s just far enough buying them online makes sense)

https://imgur.com/a/v0htqJ4

https://www.amazon.com/Miele-AirClean-XL-Pack-Vacuum-White/dp/B01MXJWEVA/ref=sr_1_1?crid=1U3BCLKF0LBTA&dchild=1&keywords=miele+fjm+vacuum+bags&m=A2F8KAB7F15GZF&qid=1620701532&refinements=p_6%3AA2F8KAB7F15GZF&rnid=331544011&s=home-garden&sprefix=Mile+Fjm+%2Cgarden%2C206&sr=1-1