Colder PLCD10004 Acetal Tube Fitting, Coupler, Shutoff, In-Line, 1/4" Flow Coupler x 1/4" NPT Male 90-degree coupler for connecting two fittings at an angle Coupler connects to tubing on one end and an NPT male connector on the other Acetal copolymer plastic for low moisture absorption and high tensile and flexural strength Working pressure of up to 120 psi Operating temperatures range from -40 to 180 degrees F