250ml vacuum filtration tops with 45um pes membrane and threads for gl45 bottles rnase and dnase free individually wrapped sterile 24 cs

This popular brand of vacuum filter systems has a low-protein binding PES membrane and offers many desirable features that make them easy to use and handle Angled hose barb adapter fits 3 size hose diameters and increases unit stability • Polyethersulfone (PES) membrane for high flow and low binding and Nylon membrane • Two membrane pore sizes: 0.22 or 0.45μm • Bottle top filters fit on solution bottles or other standard 45mm threaded solution storage bottles • Bottle top filters do not include solution bottles • Packaged sterile (gamma irradiated) in bags