Product details:

The Polylok 3008-HD24 24heavy duty cover is a sturdy cover that will fit any 24smooth wall corrugated and ribbed pipe, including Polylok, U.S., and Canadian (IPEX) corrugated pipe. The cover has a static load that is tested to 5,000 lbs., and the center and off center impact load is tested to 150 lbs. The 3007-HDC cover is both water- and airtight, is sturdy, durable, and has the highest UV package on the market. The cover is made of HDPE which is highly resistant to harsh septic environments, providing years of trouble free service. Gaskets are factory installed to ensure quality and consistency.