Dura 120-RST Black 12" Round Sand Trap. Dura Plastic Products provides users with high-quality plastic drainage products engineered with a durable Polypropylene construction. Dura takes pride in implementing changes to better their products, and deliver users with the best possible product in the market. Dura follows their Quality by Design motto, and it has allowed the family owned business to be recognized as an industry leader. This Dura 120-RST Black 12" Round Sand Trap is formed out of High Density Polyethylene. This Sand Trap sits inside of the bottom outlet catch basins, and filters the sand from the used water as it passes through the drainage system. This 12" Sand Trap comes in Black.