Typically concentrates 60 mL sample volumes to 5 mL in 30 minutes Achieve 50X concentration and > 90% recovery in just minutes. Low protein binding Omega membrane and polysulfone housing minimize losses due to nonspecific binding. Versatile Omega membrane is available in a variety of MWCOs Color coded and laser etched for easy identification. Built-in deadstop prevents spinning to dryness. Unique sealing mechanism prevents retentate leakage and filtrate contamination. Economical Sample reservoir and filtrate receiver can be sanitized or autoclaved,and reused Omega (modified polyethersulfone) membrane Insert sold separately. Jumbosep centrifugal filters typically concentrates 60 mL sample volumes to 5 mL in 30 min.