Standard Tote-A-Lube tank openings include: (1) Angled Fill Port with 2 NPT Poly Cap, (1) 2 NPT Plug, and (1) 1 NPT Stainless Steel Dispense Fitting, as well as molded inserts to secure dispensing equipment. T240 and T330 storage tanks also have an optional (1) 4 Vented Poly Cap. All of our storage tanks are manufactured with the latest generation of high performing UV stabilized resins for longer exposure life to direct sunlight and ultraviolet light.