SMC KQ2H06-02AS Brass Push-to-Connect Tube Fitting with Sealant， Adapter， 6 mm Tube OD x 1/4" BSPT Male</br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41dWrVK4t8L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41DDKW1XrxL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41r4Uy15XBL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/416o99QfRkL.jpg' noproxy></br>