Insulin Human mixture of 30 % Human neutral insulin 70 % Human isophane insulin, 3 ml Cartridge ( One pen and 5 Needles required for every 20 cartridges for use with these cartridges ), Inj. Human Insulin 30: 70 ( 30 % as Soluble Insulin & 70 % as Isophane Insulin ) 100 IU/ ml, 3 ml Catridge ( 01 Pen + 20 Needles free per 20 Cartridges ) [ ITEM CODE M150104 ]