1/4" BSP Parallel Male x 1/4" BSP Parallel Female, Pneumatic Nickel Plated Brass Quick-fit Push-on Fitting, Slotted Head, Bi-Directional, 90┬░ Manual Flow Controller, Nickel Plated Brass, Working Temperature -18┬░C to +70┬░C, Maximum Working Pressure 15 bar, FT Pro