Human Biphasic Insulin Mixture Of 30% Human Neutral Insulin And 70% Human Isophan E Insulin (Nph) 100Iu/Ml. 3Ml. Cartridge For Reusable Insulin Delivery Device (Pen) *Reusable Insulin D Elivery Device(Pen) To Be Supplied Free Of Cost One Pen With Every 25 Cartridge. ]