FSD-3009 6" Riser for Storm Drain 20" Drain Box Catch Basin
6" Riser for 20" StormDrain Drain Box / Catch Basin Part No. FSD-3009Dimensions: 22.8"l x 22.8"w x 7.3"hThis 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 tightStructural ribs inside prevent frost from adhering to the riser in the frost prone areas.