Serum Pump, MW3-55 admin 2 years ago serum pump Serum Pump 0.25 CC DosageCustomize ColorCustomize Dip tube LengthMOQ 10000 PCS External Spring Liquid won’t contact any metal partCustomize Injection ColorCustomize UV Color Smooth Closure PE, Rubber and Silicone Gasket options Suitable for serum, cream products24/410 Closure Size