Have added them to my business contacts.
I've only been using them for a couple of weeks but the fit is good and they are as good as OEM.
Squeegee wheel kit. Fits Clarke Focus II L17, L20, L20 Boost, Focus II S20 and Nilfisk Advance SC450 (OBSOLETE WITH NO REPLACEMENT)
Fits Aftermarket Nilfisk Advance 9096883000
This part is listed as fitting the following models: