Question about Kärcher Professional Backpack vacuum battery BVL 3/1 Bp

https://www.kaercher.com/ch...

It's a cheek that Galaxus doesn't answer this and annoy me with it

I ordered directly from Kärcher at the time: 6.904-335.0 Filter wipes fleece 10 pieces

I bought these: Kärcher fleece filter bag (10 x)