Nasal Prongs We offer a wide range of products that allow simple, easy delivery of nasal oxygen. These products suit both routine supply and patients in critical condition. Nasal Prong Sets: Twin bore sets for simple and economical oxygen supply All sets have 205cm extension tubing Provides oxygen directly into the nostrils as a flow by supply Available in three sizes to suit most patients Connects to our cone connector (C-CONE-1) Available sizes: Adult - 16123 Paediatric - NP2008P Neonatal - N2008N