JohnDow JDI-5DCK Portable Oil Drain Heavy Duty SteelJohnDow Model JDI 5DCK portable oil drain. You've seen all the cheap plastic 5 to 8 gallon model oil drains out there. Let's face it, they may be OK, but they just don't hold up like good old solid steel. Most manufacturers don't even offer a steel model in anything less than a 20 gallon model. But John Dow does. That's because they are wise enough to understand that there is still a need out there for premium quality automotive equipment. It's not