Which delivery systems and needles are Tresiba 100 units/mL Penfill (insulin degludec) cartridges designed to be used with?

Tresiba 100 units/mL Penfill (insulin degludec) cartridges are designed for Novo Nordisk delivery systems (durable reusable devices not included in the pack) and NovoFine/NovoTwist injection needles up to 8 mm long; follow the delivery system’s detailed instructions and use a new needle each time, discarding it after injection.