Bambu Lab Replacement Filament Cutter X1 / P1 Series The filament can be cut to prevent clogging of the feeders when using the Bambu X1 series and the P1 series. When used with AMS, it helps with the changeover to multiple materials. Installation Learn more about replacing the filament cutter on Bambu Lab Wiki In the box nozzle wiper 3 pieces compatibility series X1, series P1.