The Smiths Medical 4646-2 is a comprehensive kit designed for arterial blood gas collection. The kit includes a 3ml syringe pre-filled with 25IU of dry Lithium Heparin (LiHep), ensuring accurate and reliable results. This kit is intended for single-use and is available in a case of 200 units. The use of dry Lithium Heparin in the syringe eliminates the need for liquid anticoagulant and reduces the risk of dilution, providing more accurate and reliable results. This kit is designed to provide a safe and efficient method for arterial blood gas collection, minimizing the risk of needlestick injuries and exposure to bloodborne pathogens.