It was exactly what I was looking for. While I can keep flushing them, I'll have spares for at least a few years. If they change the model a bit, it can usually be difficult to find replacement parts. Plan ahead, I'll go.
Pros
Vacuum Replacement Filter Fit for BLACK+DECKER Handheld Vacuum Models HHVK HHVK320J10, HHVK320J61, HHVK320JZ01, HHVK415B01, HHVK515J00, HHVK515J00FF, HHVK515JP07, HHVK515BPF07
Cons
I don't really have any dislikes about this, everything is just fine