Today`s cancer diagnostics and COVID19 tests are made through optical filters. Delta, a key supplier based in Denmark is a pioneer in the optical filter industry since the 1970s. Quality being the highest priority, especially in the medical field, Delta relies on Bühler as their trusted partner to keep their machines running 24/7. With preventive maintenance, downtime is kept to a minimum and planned thoroughly beforehand and Delta profits from having the right consumables on site at the right time. When spare parts are needed, they easily find and order them through the customer portal myBühler. Augmented reality glasses provide Delta with fast remote support close to them whenever they need support or an expert opinion.