WB Filter FIWB450-SE10 WB Filter Leukocyte Reduction Filter leukocyte filter system, Leukocyte Reduction Filter Designed for 1 unit of whole blood (WB) volume 450ml. Features Designed for 1 unit of whole blood (WB) volume 450ml. Warm blood filtration, the filtration can be proceeded immediately after the donation. High efficiency leukocyte reduction filter (Residual leukocytes 90% Consistent flow rate Specifications Product Ref. No. FIWB450-SE10 Designed for 1 unit of WB volume 450ml Type In-line use Special feature Warm blood filtration Filtration Efficiency level(Residual leukocytes /unit) < 1x106 Housing Soft Membrane material Non-woven polyester (surface modified) Housing material Polyvinyl chloride (PVC) Priming volume (ml) 42ml