never encountered any issues
Shake-N-Vac: No issues. Was used with:
Vorwerks VK 117, 119, 240, TKG1, Tiger 250
Kirby G4, G5, G6
Siemens super 1600
Lux D770 and Z325
Glade: No issues. Was used with
AEG Vampyrette K, Vampyr TK 4000 S, TK 700,
Hoover Ranger and Junior Dirtsearcher
On the other...