The silicone nozzle seal on the Ultimaker S7, Ultimaker S5, and Ultimaker S3 fits on the underside of the printhead to help keep the temperature stable and prevent back-flow of filament. Sold as a set of 3 pieces.
Official Ultimaker S7, Ultimaker S5, and Ultimaker S3 part.
Ultimaker AA Print Core (0.4mm) (UM3/S5/S3/S7/Factor4)
$169.00
A genuine 'AA' style Ultimaker 3 print core with a 0.4mm nozzle. Can be used for printing with a range of materials including Tough PLA, Nylon, PLA, CPE, CPE+, ABS, PETG, PP, and TPU 95A. Compatible with the following Ultimaker...