Check the listing for details. 1/2" NPTF Thread to 1/2" Push Fit Connection Piece - Compatible with John Guest. Color: COPPER, Condition: New. Listed at 76.95 USD. Compatible with the PI011624S model from John Guest. Commonly used on applications including water filtration, pneumatic equipment and beverage dispensers See more product details for a list of technical specifications on this item Technical Information: Working Pressure and Temperature Range: 1° (34 °F) - Max Pressure..... 16 bar (230 psi), 20° (68 °F) - Max Pressure..... 16 bar (230 psi), 65° (150 °F) - Max Pressure..... 10 bar (150 psi) This is a 1/2" NPTF to 1/2" push fit connection piece which can be used with the following materials: soft metals (brass, copper, mild steel), semi-rigid plastics (polypropylene, polyethylene, nylon) and tubing. Flexible tubing will need soft tube supports. Please Note: The measurements for both the fitting and the connecting item should be taken from t.