Novolin N FlexPen
Novolin N (isophane insulin human suspension [NPH] U-100) is an intermediate-acting human insulin available in a prefilled disposable pen with a push button extension. The pen can dial doses up to 60 units in increments of 1 unit. The dial returns to zero after injection to indicate delivery.
1-unit increments, up to 60 units at a time
Pen is blue with a green label.