Description: ALUMINUM SHELL8" X 20' HOSE TUBES ONE ON EACH SIDE4" AIR SUPPLY LINE STREET SIDE TO 4" ALUMINUM DISCHARGE OUT REAR5" BUTTERFLY VALVES WITH 5" X 4" STRAIGHT TEESONE 6" REAR FILL LINE AND ONE 4" VENT3" TOP AIR NO AERATION TRAILER WAS OUTOF PLASTICS SERVICESPRING SUSPENSIONSPOKE WHEELS11R X 22.5 TIRES