网页CPD-SAGM Quadruple. T-BEX System (Top and Bottom Extraction) CPD-SAGM Triple. CPD-SAGM Quadruple. Transfer Bags. 150, 300 & 1000 ml. CPDA-1 System. The system consists of a primary bag containing anticoagulant CPDA-1 (citrate-phosphate-dextrose-adenine) which preserves red blood cells up to 35 days. CPD-SAGM System.