Home / Media / Video / GRAFF's Progressive Cartridge Recenti GRAFF - Un'ode all'artigianato GRAFF's Luxurious Designs GRAFF's Art of Bath Una storia d'ispirazione GRAFF's Progressive Cartridge GRAFF Around the World M-Series Features and Installation Discover the M-Series: Modularity and Functions GRAFF Ametis Ring GRAFF Aqua-Sense Shower Media / Video Video 06/03/2019 GRAFF's Progressive Cartridge How does a progressive cartridge work?