For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

SIPTENK AIR LINE FITTINGS 5 PCS straight brass fittings 1/4 inch OD tube x 1/4 inch NPT thread; Max.Working Pressure 300psi; Temperature Range -65°F to +220°F. The brass fittings work well in extremely cold or hot environments.

DOT APPROVED The DOT air line fittings, made of high-quality CA360 brass, meet D.O.T. FMVSS 571.106, SAE J1131 air brake system requirements to ensure safety during your use.

THREAD SEALANT PRE-APPLIED ON ALL MALE THREADS All air line fitting threads are coated with red anti-leakage coating, so there will be no air leakage after connection. The air fittings are accurate in size, in a great degree to reduce the possibility of air leakage, so that you can feel more comfortable using them.

WIDE ALLPICATION The newer iterations of the air brake line fittings use quick connectors, which are push-to-connetc fittings, easy to use and save time for replacement. The quick connect air hose fittings widely used for semi-trailers, trailers, buses, mobile equipment, industrial workshops and other various machinery air braking systems.

AFTER-SALES If you have any questions about Siptenk dot air fittings, please feel free to contact us. We will do our best to help you solve the problem and ensure to provide you with a pleasant shopping experience.