Eaton Weatherhead 3300X4X2 Brass CA360 Fitting, Reducing Coupling, 1/4" x 1/8" NPT Female Pipe reducer coupling for joining two pipes of different sizes in a range of fluid transfer applications 1/4" female NPT threads on one end and 1/8" female NPT threads on the other for connecting two male-threaded pipes CA360 brass for strength and resistance to corrosion Operating temperature range of -65 to +250 degrees F (-53 to +121 degrees C) Maximum operating pressure rating of 1,200 psi