The purpose of the Water Purifier Booster Pump is to increase water pressure going into the RO unit. We manufacture this pump at our sound production unit using high quality materials and components. Ideal for using in all kinds of water purifier, this pump increases membrane performance. Also, if your water supply pressure PSI rate is less using this booster pump for RO systems will increase system input pressure. Water Purifier Booster Pump works on 24 V DC and is completely shock proof.