Material - This filter connection is made of high quality brass and has a rustproof moisture protection function. Outstanding performance - This product with superior hardness and toughness, no deformation under high pressure. Highly precise standardized threads with good durability and long service life. Application - This filter connection is suitable for water-oil separation and has a special design. Quality assurance - We are very convinced of the quality of our products and look forward to your trust in the selection of our products. If you have any questions during use, please feel free to contact us. Note - Due to the difference between monitors and lighting effects, the pictures may not reflect the actual color of the item. Please allow slight errors due to manual measurement, thanks for your understanding.