Features: Large displacement inner cores, and the drainages speed is fast, which can easily cope with daily drainages. The Floor Drain Cores promotes efficient water passage when in use, while sealing tightly to prevent odors. Make from 304 stainless steels materials, rustproof, Enduring and not easy to damage. Antiodor inner Cores, effectively block odor. Stainless steels filter effectively block hair and prevents sewer from clogging. Suitable for homes, kitchen, hotel, bathroom, garage, basement, toilet. Specifications: Materials: 304 stainless steel Styles: 5.50cm/7.50cm/15.0cm/18.0cm/22cm 5.50cm size: Approx. 5.4x5.50cm/2.13x2.16inch 7.50cm size: Approx. 5.4x7.50cm/2.13x2.95inch 15.0cm size: Approx. 5.4x15.0cm/2.13x5.90inch 18.0cm size: Approx. 5.4x18.0cm/2.13x7.09inch 22cm size: Approx. 5.4x22cm/2.13x8.66inch Package Includes: 1pc Floor Drain Cores note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.