The 2,500-gallon septic/grease vacuum tank from Robinson Vacuum Tanks comes standard with a polished aluminum shell, full flanged and dished anti-surge baffles, three 5-inch sight eyes, 20-inch top and rear manways, a 12-inch low-profile primary, full-length hose trays constructed of 3/16-inch polished aluminum, a 4-inch inlet and discharge and a heavy-duty bumper. 844/393-1871; www.robinsontanks.com.