CEKER 3/8 Elbow Male Airlines Push Fittings 90 Degree Push to Connect Fittings Air Fittings- PL 1/4inch Tubing Od x 3/8inch Npt Thread Pneumatic Push in Connectors Quick Connect Tube Fittings 5Packs

CAUTION  1.The 3/8 air line fittings are primarily made for air and water (No Freezing). Other fluid types are highly prohibited. 2. The use of 3/8 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 1/4 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 1/4 push lock fittings USER GUIDE  5.Carefully examine the 1/4 tube fitting ends for a right angle cutting. Don't also forget to check the external 3/8 npt air tube connectors surface for any scratch. 6.Pneumatic composite should not be used for live swivel applications. 7.3/8 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 1/4 Tube is connected and installed, pull the hose to make sure that the pipe cannot pull out the joint. 9.When inserting the 1/4 tubing, it must be inserted into the bottom of the joint. Failure to insert the hose into the bottom may lead to air leakage./