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.
Drain hose assembly. Fits Viper Fang 20, Fang 20HD, Fang 20T, Fang 24T/26T/28T, Fang 32T (replaces VF81510A, VF81512)
Fits Nilfisk Advance VF81510 (alt # VF81510)
This part is listed as fitting the following models: