Pipe End Caps: Reduce Chance of Corrosion CorroLogic CorrPlugs are polyethylene end caps designed to reduce the chance of corrosion on metal pipe during transport or storage. The caps are also ...

Attach them to the bucket with 10 No. 4 machine screws, nuts and washers. Cut a 4-inch-diameter PVC pipe as long as the bucket is high; set the pipe into the end cap.