Laboy HMA013503 Glass Vacuum Flow-control Adapter 90DGR Bent Hose Connection with Glass Stopcock and 24/40 Male Joint</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/41zpLBKs1sL.jpg' noproxy></br>