The cover can form into an S-shape to block liquids from vertical storm drains

For heavy-duty

so you use only what you need

Includes: O-ring

Material: Sawdust

Chemtronics Degreaser, 15 oz Cleaner Container Size, Aerosol Can Cleaner Container Type, Unscented Fragrance - ES2289 ASI-Traditional The cover can form intoChemtronics MaX KleeN citrus degreaser is ideal for the removal of all types of soils including oxidized grease, sludge, wax, tar, and oil. Low surface tension provides superior wetting to clean in even the tightest spots. Safe for use on most metals and plastics. Use this nonsolvent degreaser for all repair, maintenance, and manufacturing applications.