These Domena steam cleaner anti-scale filters fit the following Domena steam cleaners:
 
Activa
Crystal
CS3, CS4, CS5, CS6, CS ecofibers
Eagle Jet
Eco Flor
Hygia Flor
NVT50, NVT60, NVT100, NVT140, NVT150, NVT200, NVT300, NVT400, NVT Anniversary, NVT Fresh
Top Jet