Features: This drain cover can prevent the sewer from clogging, it can prevent odor from forming in the sewer, so you can enjoy the fresh air at home. Water Leak Prevention: Sink Water Filter Water Leak Prevention Design Double-sealed silicone gasket has leak-proof, wear-resistant and water, ozone and chemical resistant properties. Sink Drain Filters fit all standard bathroom sink sizes 1-1 / 2 to 1-3 / 4 (1.45 to 1.96 inch) Specifications: Product Name: Sink Drain Filters Quantity: 4 Material: stainless steel + brass Size: As the picture shows Product list: 4 * Sink Drain Filters Precautions: There may be deviations due to manual measurement, please prevail in kind.< / P>