Specifications - Pore Size: 0.22 , Pack of 100, Non Sterile. Evey laboratory are labeled with membrane and pore size for easy identification.APPLICATIONS - PTFE syringe can be used in liquid caps to exchange air for mushroom growth cultures, cultures and grain spawn cultures.Hydrophobic PTFE Membrane - The hydrophobic PTFE membrane of this PTFE syringe filter has broad chemical compatibility and strong chemical stability for venting applications and leachable non-clarification required for liquids.Connectors - This non-sterile syringe filter comes with two connectors: female luer connector inlet and male luer slip connector outlet for better syringe filtration.Features - This laboratory syringe filter offers high throughput with strong acids and bases, low protein binding and high temperature resistance, which can fully all your syringe filtration needs.size: 25mmMaterial: PTFEcolour: red Contents:100 x syringe Only the above content, other are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.