39257 Plastic Flexible Mandrel, for 4" Duct

Plastic Mandrel, Flexible, Duct Cleaner, Duct Size: 4", Max Disk Size: 3.75", Maximum Rated Capacity 4800 lbs.

Useful for cleaning out mud, dirt, and light obstacles from ducts before installation of cable

Can be used around tight bends due to convex contacts between disks

Tapered profile allows pulling in either direction. Pulling eyes on both ends.

Polyurethane disks do not damage inner walls of duct