h2ofloss limited is a contract manufacturer in China. The factory has OEM many high quality products for well-known brands in US and Europe.h2ofloss dental water jets are their household brand.the product combines clinically proven effective high water pressure with pulsating streams to deliver the premium solution for your gingivitis problem and gum health. cleans your bridgework, crowns, braces and implants effortlessly. use as recommended by your dentist or dental hygienist, together with water, mouthwash or even anti-bacterial rinses.gentle on your mouth and reaches deep below the gum line. removes tongue bacteria to give you fresher breath