Quick view Add to Cart EMD Chemicals Filter Unit, Centrifugal; Millipore Amicon; Ultra-15; w/Ultracel-30 membrane; High concentration factors of 80 to 100X; Housing: Styrene/butadiene; Tube: Polypropylene; Cap and liner: Polyethylene; 30,000 NMWL; Dia. x L: 29.6 x 72mm; 24/Pk. MSRP: Was: Now: $530.50 Quick view Add to Cart