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Polylok 30" Heavy Duty Cover fits Corrugated or ribbed pipe. These 30" heavy duty covers are made of HDPE with the highest UV Protection on the market today. Every cover comes with a factory-installed gasket. These covers will withstand normal residential and light commercial traffic. They are ideal for use with grease traps or commercial septic tanks and advanced treatment systems.
Polylok part number: 3010-C30