Push- in connector Union, 6 mm OD X 6 mm OD, as per, specification., 6 mm OD X 8mm, OD, as per specification., Push- in connector Tee, 6 mm OD, X 6 mm OD X 6 mm OD, Push- in, connector Union, 8 mm OD X 8 mm OD, 8 mm OD X 8 mm OD X 8 mm OD, Push- in fitting Male connector, 1 by 4, inches NPT M X 6 mm OD with external hexagon and, material of thread shall be brass nickel plated, Push- in fitting Female connector, 1 slash 4, inches NPT F X 6 mm OD with external hexagon and, inches NPT F X 8 mm OD with external hexagon and, inches NPT M X 8 mm OD with external hexagon and, 1 slash 8, 1 slash 2, inches BSP M X 6 mm OD with external hexagon and, inches BSP F X 6 mm OD with external hexagon and