... 33/410 aluminum plastic dispenser pump Product Components Material: Feature *Actuator,Stem, chaplet, Closure,Housing-- PP Polypropylene,anticorrosion *Piston, Dip tube, ... *Spring-- SUS-304 Japan's material standards *Ball: Glass Pump Specification: Closure Diameters:33/410,33/710,30/410 Screw ... 6-4.4g Application: shampoo,bath foam,etcFor the first pump, 3-4 times of pumping will work.Multi-layer ...