<p> </p> <p>CAUTION </p> <p> </p> <p>1.The 1/4 npt air line fittings are primarily made for air and water (No Freezing). Other fluid types are highly prohibited.</p> <p> </p> <p>2. The use of 1/4 Inch pneumatic connector is limited to areas that are highly prone to fire outrage</p> <p> </p> <p>3. Don't use the pneumatic air line 3/4" od connections in areas whose water temperature is above 60'C</p> <p> </p> <p>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 </p> <p> </p> <p>5.Carefully examine the 1/4 in tube fitting ends for a right angle cutting. Don't also forget to check the external 1/4 npt air tube connectors surface for any scratch.</p> <p> </p> <p>6.Pneumatic composite should not be used for live swivel applications.</p> <p> </p> <p>7.1/4 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.</p>