John Guest Acetal Copolymer Tube Fitting, Straight Adaptor, 1/2" Tube OD x 1 /2" NPTF Male (Pack of 10): Push To Connect Tube Fittings: Amazon.com: Industrial & Scientific
ANCIMOON 3/4'' Straight Air Line Fittings, 3/4'' Tubing x 1/2'' Male NPT Threads Adapter Fittings, Brass-Nickel Plated, Seal Taped Needed, 1-PC For Garage Shop Compressed Air Piping System - Amazon.com
Double raccord fileté à filetage mâle, Raccord : G 1/2 x G 1/2 pouces, OC 24 mm, Long. 29 mm | Leroy Merlin