This type will put small bits of plastic from the sides of the bucket into your honey, however careful you try to use it...
1). Does it really matter if it is going to be fine filtered? It rather depends on the operator and how the impellor is arranged (as in being set up properly).
2). Not when used in a stainless steel ripener!
One needs to be careful that the brush material from these cheap items does not get into the product. The drive should be reserved for that duty and not used for building jobs. I don't rate that particular make - too cheap and cheerful.
RAB