Flo-Tek CorDuct pipe is a double-wall, corrugated solid pipe system, used to protect underground cables from environmental elements, external forces and rodents. This pipe is used extensively in the Electrical, Plumbing and Telecom Industries. The pipe is made from HDPE, making it extremely. COD stand for Corrugated Optical Duct, specialized products, COD is a Multiple channel cable duct with plain surface, specially coated inner pipe and corrugated outer pipe as an integrated single body. Possible combinations of. Welcome To Our Innerduct-Smoothwall and Corrugated Duct Page, Today's date is Thursday, May 14, 2026. Plenum Innerduct Carries a complete line of plenum innerduct and plenum raceway products including Plenum Fiber Duct, Outside Plant Conduit, Plenum Innerduct, Riser Rated Innerduct, Corrugated. Ductrove's Double Wall Corrugated Duct is an advanced profile duct design, manufactured from crystallized and virgin high-density polyethylene offering optimum strength and cost effectiveness. Thanks to its flexibility and resistance to mechanical stress and moisture, it is ideal for use underground. The UV-stable variant stands out due to its particularly high.