Description: ALUMINUM FOUR HOPPERSTEEL SUB FRAMESFOUR MANHOLES4" ALUMINUM DISCHARGE OUT REAR WITH SIGHT GLASS AFTER LAST HOPPER5" BUTTERFLY VALVES WITH 5" X 4" GRAVITY TEESINE 4" REAR FILL LINE3" TOP AIR AND FLO CONE AERATION WITH 2" BALL VALVES AT EACH HOPPERSPRING SUSPENSIONSPOKE WHEELS11R X 22.5 TIRES