|CMS proposes a 100% Compatible ink to Willett 201-0001-626. Our ink for Willett® inkjet printers has been fully tested to ensure performance and reliability in Willett inkjet printers. Our ink formulations use only the highest quality raw materials. 113.M626.121 is a Autoclave resistant ink, Black in colour. Our ink is supplied in bottles that fit directly onto the printers so there is no re-filling required. If you wish to purchase in bulk, this is also possible. Each batch of ink must pass quality control tests and full batch records are kept for full tracability.