33mm STERILE ABLUO Syringe Filters Polyethersulfone (PES) Membrane, 0.45µm, FLL/MLS end fitting, Acrylic housing, Transparent color, 50/pkSTERILE 33mm ABLUO(TM) ultrasonic welded Syringe filters; Adaptor: FLL/MLS end filtting STERILE Housing: Acrylic Membrane: PES Pore Size: 0.45µm Options may include alternate end fit