Centrifugal Ultrafiltration Device; Vivaspin Model 4; Used prior to electrophoresis of M-proteins as well as IFE; Sample volume to 4 ml with 200X concentration factor; 10,000 MWCO; 25/PK, Pack of 25

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Centrifugal Ultrafiltration Device; Vivaspin Model 4; For concentration and desalting of proteins and biologicals; Useful for clinical samples such as urine, spinal fluid, free drugs & hormones; Sample volume to 4 ml; Final concentrate volume to 20 l; Fits fixed angle and swinging bucket rotors for 15 ml (17 mm diameter) conical bottom tubes; 122 mm length; 10,000 MWCO; 25/PK