Soap dispenser pump 1.Fast delivery 2.OEM/ODM 3.Material:ABS+EVA ... backflow prevention device. 2.Low price 3.Easy to use 4.The pump wildly used for soap,alcohol,gel,disinfection 5.Main ... backflow prevention device.2. Low price3. Easy to use4. The pump wildly used for soap, alcohol, gel, disinfection5. Main Material: ABS ...