We are offering infusion set- single wing 21g/23g, butterfly wing 21g/23g. advacareinfusion setsare used with aninsulin pumpas part of intensiveinsulin therapy. the purpose of aninfusionset is to deliverinsulinunder the skin. it is a complete tubing system to connect aninsulin pumpto thepumpuser. advacareinfusion setfeatures:* subcutaneous cannula* adhesive mount* quick-disconnect* pump cartridge connector advacareinfusion setsare available as:infusion set single wing 21ginfusion set single wing 23ginfusion set butterfly wing 21ginfusion set butterfly wing 23gor according to the customers specification. advacareinfusion setsare available in the following packaging:1 per poly bag, 500 sets per carton