5067 Adapter Stopper,Website: , bent, standard ground mouthDescription: Adapter Stopper, bent, standard ground mouthThere are 5 sizes available. 10/19 Standard ground mouth Adapter Stopper bent, 14/23 Standard ground mouth Adapter Stopper bent, 19/26 Standard ground mouth Adapter Stopper bent, 24/29 Standard ground mouth Adapter Stopper bent, 29/32 Standard ground mouth Adapter Stopper bent.Material: GlassColor: clear glassSelling points: high quality   clear glassSpecification:Ground stopperO.D. of upper tube  mm10/19614/23719/26824/29829/328