Shanghai Messiah WOS-300A/WOS-400 disc oil-water separator WOS-300A / WOS-400 Product Description Working principle: the use of oil gravity and surface tension between the different features such as scraping oil pan across the surface, absorb and take a variety of slick surface characteristics: 1. disc made of stainless steel, wear-resistant and lasting. 2 boxes containing secondary oil separator, oil and water separation completely, no consumables 3. Installation is simple, easy to use, easy to clean Specifications: 1. Voltage: 110V/220V/380V 2. Power: 25W 3. Scraping oil :3-15L / H 4. steel plate diameter: 400mm/300mm 5. Weight: 11KG 6. optional cover.