1. Using hard UV-resistant ABS engineering plastics, it has excellent impact resistance, heat resistance and corrosion resistance.
2. Adopting block concave-convex non-slip surface design, non-slip and wear-resistant, giving a luxurious and pleasing feeling.
3. The cover and the chassis can be detached and snap-in design, which can be completely removed, which is more convenient to use.
4. O-type nitrile rubber sealing ring, better waterproof and dustproof effect.
5. It can be installed vertically or horizontally for a wider range of applications.
6. It can be used for inspection and maintenance ports of ships, yachts, RVs, campers, etc.
7. External diameter D: 245mm
8. Cut out diameter d: 198mm
9. The inner diameter of the opening cover: 192mm
10. Inner diameter of mounting hole: 6mm