Prestolok Nickel-Plated Brass Push-To-Connect Fittings • Max. operating pressure: 300 psi Max. operating temp.: 0 degree to 200 degree F (depending on tubing used) Pkg. qty.: 10 Designed for low-pressure circuits where fast assembly, disassembly, and reassembly are important. Compact, 1-pc., nickel-plated brass fittings are for use with polyethylene, nylon, or polyurethane tubing. Support ferrules or I.D. tube supports only required for thin-walled poly tubing. Vacuum applications depend on temperature and tubing type. WARNING: For use only with air, water, oil, and nonreactive gases. Do not use where accidental separation of tube and fitting could cause injury. Not recommended for continuous-pressure cycling applications. This listing is for pkg. of 10. Technical Specification Item Swivel Male Run Tee Tube Fitting Material Nickel Plated Brass Fitting Connection Type Tube x MNPT Pipe Size - Pipe Fitting 1/8' Tube Size 5/32' Max. Pressure 300 psi Temp. Range 0 Degrees to 200 Degrees F Hex Size 7/16' Compliance and Restrictions.