DC3.7V 700mA 2mm Inner Dia Hose Vacuum Pump Self Priming Diaphragm Mini Air PumpCategory: Air Vacuum Pump1. Pump with self-priming function.2. Low noise, easy installation, stable performance.3. Appropriated for liquid circulation, transfer etc.4. Applications: fish tank water changes, experimental models, inflatable small pool, tea machine,coffee machine, grain oil pumping station, car scrub,regular watering,ect.For CALIFORNIA residents only: WARNING: This product contains chemicals including DEHP, which is known to the State of California to cause cancer and birth defects or other reproductive harm.Please note that by posting this Proposition 65 warning, we are notifying you that one or more of the Proposition 65 listed chemicals may be present in a product. With Unique Bargains' products, the exposure to these chemicals may be of no significant risk to you, but out of caution, we have elected to place this warning on our site to make sure our customers are informed.You can find more infomation at http://www.oehha.ca.gov/proposition-65/about-proposition-65.