1.Intravenous catheter for infusion 2.Type: pen-like, butterfly, with port 3.Size: 14G, 16G, 18G, 20G, 22G, 24G ... Sterile IV catheter Different types: pen type, injection type, wing/butterfly type, Y type. Color coded for size identificationDifferent types: ... pen/straight type, injection type, wing/butterfly type, Y type.1. Thin-wall construction permits high flow ...