CEKER 12 Npt Elbow Push to Connect Fittings 38 inch Tubing to 12 npt Airline Push Fittings 38 Push in Connectors Quick Connect Air Tube Fittings 90 Degree Pneumatic Fittings 2Packs

CAUTION  1.The 1/2 air line fittings are primarily made for air and water (No Freezing). Other fluid types are highly prohibited. 2. The use of 1/2 npt pneumatic connector is limited to areas that are highly prone to fire outrage,Please do not exceed the maximum use pressure when using. 3. Don't use the pneumatic air line 3/8 od connections in areas whose water temperature is above 60'C 4. To avoid leakages and damage,you're advised to resist the temptation of adding extra loads to the 3/8 push lock fittings USER GUIDE  5.Carefully examine the 3/8 tube fitting ends for a right angle cutting. Don't also forget to check the external 1/2 npt air tube connectors surface for any scratch. 6.Pneumatic composite should not be used for live swivel applications. 7.1/2 air hose fittings Body and collar are made of Nylon 6.6, gripping ring is stainless steel, and D seal and O-rings are Nitrile. 8.After the 3/8 Tube is connected and installed, pull the hose to make sure that the pipe cannot pull out the joint. 9.When inserting the 3/8 tubing, it must be inserted into the bottom of the joint. Failure to insert the hose into the bottom may lead to air leakage.