The POLYCAST® 600 Series channel.
Hubbell's POLYCAST® 600 Series is 6.25" wide (OD) polymer concrete channels have a built-in .65 percent slope that allows the system to achieve flow rates up to 470 GPM. This POLYCAST® systems comes as pre-sloped, neutrals, and half channels. Certain 4' channels and all half channels have a 4" bottom outlet that can be cored out for pipe connections.
Uses:
Channel Material: Polymeric concrete
Clear Width: 4″ inside diameter w/2" radius bottom
Total Width: 6-1/4"