Use this polysulfone holder with silicone O-ring for in-line removal of particles or microbial contaminants from liquids or gases, as in liquids or cold sterilization. Holds 25-mm membrane. Removable tubing connectors on both ends fit 3/8" ID tubing. Max temperature is 250°>F (121°>C), max pressure is 100 psi. Includes luer-lock fitting to permit use with syringe. Use holder as an aseptic bell. Autoclavable.