WB Filter FIWB450-HE10 WB Filter white blood cell filter, WB filters for filter warm blood 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 91% Consistent flow rate Specifications Product Ref. No. FIWB450-HE10 Designed for 1 unit of WB volume 450ml Type In-line use Special feature Warm blood filtration Filtration Efficiency level(Residual leukocyte /unit) < 1x106) Housing Hard Membrane material Non-woven polyester (surface modified) Housing material Polycarbonate (PC) Priming volume (ml) 40ml