HUMULIN® 70/30 KwikPen® (“Pen”) is a disposable single-patient-use prefilled pen containing 300 units of HUMULIN 70/30. You can give yourself more than 1 dose from the Pen. Each turn (click) of the Dose Knob dials 1 unit of insulin. You can give from 1 to 60 units in a single injection