PUMP DRAIN PAIN RELIEVERS FOR GENERAL PUMPSA complaint we hear a lot relates to draining the oil from your pump. It shouldn't have to be such a messy task and now it doesn't have to be with GP's Drain Pain Relievers. Attach this quick drain quick and skip the mess. Available in: 1 4" drain 3 8" drain 10mm drain Honda GX200 12mm drain Honda GX390 Please note: This is an assembly and as such, will come UNASSEMBLED. Don't worry, you can easily put this together. Depending on the size, the hose