... -sales serviceis very good 4.Every product inspect strict Lotion pump dispenser L50101. Closure size: 24/410,24/415,28/400 ... insided.5. Discharge rate:1.7-2.0CC6. Screw lotion pump lock with twist, up and down7. Outer packing: 1,000pcs ... lotion, body cream Medical, pharmaceutical Plastic chemical industry 28/410 switch lotion pumps for dispenser shanpoo washing liquid or oil