The Original Dr.pen A9 Cartridges bayonet slot, 10 Pcs/Pack.
These replacement cartridges are specially designed for Dr. Pen Ultima A9, they are not compatible with other models, or other brands.
Dr Pen Ultima A9 cartridges are developed based on the highest American Standards.
Use a new one each time and only for the personal use, don't share with others.
Important Note: Remove the white plastic sanitary cover from the top of the cartridge before turn on the pen.
These replacement cartridges are specially designed for Dr. Pen Ultima A9, they are not compatible with other models, or other brands.
Dr Pen Ultima A9 cartridges are developed based on the highest American Standards.
Use a new one each time and only for the personal use, don't share with others.
Important Note: Remove the white plastic sanitary cover from the top of the cartridge before turn on the pen.