... 1L water (change with weather, fuel, and cooking ware accordingly)3,Gas Pump has build-in wear ... supply. 4,Air nozzle with copper ball filter oil-absorbing fitting and macromolecule crystal enable a more ... be adjusted ensures a safe usage and no oil leakage.10,All the seal rings used in ... company, with good resilience, resistant to wear, aging, oil, and high temperature. Long service life is secured. ...