Acrodisc Syringe Filter with Versapor Membrane 5.0um pore size. 25mm diameter. For cell cultures and other biological applications. Luer-Lok design. Large-pore Versapor acrylic copolymer membrane. Withstands up to 75psi. 55[degree]C maximum. Nonpyrogenic. Individually wrapped. Sterile. 50/pk.