250ml vacuum filtration tops with 22um pes membrane and threads for gl45 bottles rnase and dnase free individually wrapped sterile 24 cs

This popular brand of vacuum filter tops offers 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