A low-fire-hazard, corrugated two-piece conduit, each of which is slit open to ease installation and maintenance of wire and cable bundles. The interlocking construction is excellent for retrofitting projects. PA6FR material is highly flame retardant, resistant to solvents and oils and offers excellent abrasion resistance. Combine with HelaGuard Non-Metallic Fittings for IP66 rating or greater protection against water, wind and dirt.