Used for filling fluids in transmission, differentials and transfer cases (not suitable for use with fuels or solvents). Individual manufacturer sets are available as well as the individual adapters. Container made of UHDP (ultra high density polyethylene). Newly designed drum features a second port for filling or dumping fluids without having to remove the pump--saving both time and clean up afterwards. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.