Description: ALL NEW TESTS DONESHELL TYPE 316 STAINLESS STEELSTAINLESS STEEL SUB-FRAMESFIVE 2" CLEAN OUTS BETWEEN EACH MANHOLEFIBERGLASS INSULATION4 X 3" SUMP EACH COMPARTMENT WITH FIVE 3" HYDRAULIC INTERNAL VALVESFIVE EACH 4" X 3" QRB SECONDARY EXTERNAL VALVES AT BOTTOM OF EACH COMPARTMENT WITH 3" DISCHARGE MALE PART - A DUST CAPSLEAF SPRING SUSPENSIONALUMINUM DISC WHEELS11R X 22.5 TIRES