The 06J2044-7/16UNF fitting is designed to thread into the base of an AirDog® product on one side and has a 3/8 male quick connect on the other side. This item can be paired with our FQC38S and FQC3890 for a seamless connection. This is an ORB fitting utilizing an O-Ring seal for leak free installation! Fits AirDog® II-5G RETURN ONLY. Always be sure to verify fitment before purchasing.