Storm Drain FSD-3017-R 6-in. Riser for 12-in. Catch Basin
6" Riser for 12" StormDrain Drain Box / Catch Basin Part No. FSD-3017-R This distribution box riser combines all the best features of concrete and plastic risers to create our patented riser system. Features: -Hold their shape -Stackable -Screw together assembly -Water and air tight Structural ribs inside prevent frost from adhering to the riser in the frost prone areas.