Widely used: suitable for 55 gallon plastic drums or steel drums.Note: Plastic drums have two kinds of threads, a fine thread and a coarse thread, which can only be used on the fine thread and cannot be connected to the coarse thread.

Widely used: suitable for 55 gallon plastic drums or steel drums.Note: Plastic drums have two kinds of threads, a fine thread and a coarse thread, which can only be used on the fine thread and cannot be connected to the coarse thread.This product is not intended for use with potable (drinking) water.