Plastic: all bags and tubing are polyvinyl chloride (PVC) with DEHP as plasticizer. Transfer bags: with capacity of 300ml and 450ml respectively. Integral whole blood filter: with filter capacity of one unit of whole blood. Blood product dating: up to 42 days at 1~6℃ for Leukodepleted Red Cell Concentrate (SAGM);up to 1 year at ≤-18℃ for fresh frozen plasma. Filter membrane material: biocompatible polyester