Drain blocker cover mat

Ideal for quick sealing of manhole shafts with surface leaked liquid. Also suitable for preventive use during transport, loading and unloading as well as transfer of hazardous substances. Resists oil and most chemical agents. Has strong adhesive on the bottom side to ensure sealing. Its top side reinforced with polyester-silicone coating. Reusable, can be cleaned with soap and water. Including carrying bag, available in various sizes.