Droppers good price droppers easy use droppers new design droppers ISO9001,droppers dropper Product Components Material: *Actuator, Stem, Chaplet, Closure-- PP*Piston, Gasket, Piston, Sub-stem, Dip tube- PE *taterials of teats:pvc ,rubber *tube:glass Pump Specification: Closure Diameters: 13/415, 15/415,18/400,18/410,18/415,20/400,20/410,24/410Screw Locking System,Dosage: 3.6-4.4gApplication : ...