Specifications - Pore Size: 0.22, Pack of 100, Non Sterile. Every laboratory filter is labeled with membrane and pore size for easy identification. APPLICATIONS - PTFE syringe filters can be used in liquid culture applications, air exchange for mushroom growth cultures, and grain spawn cultures. Hydrophobic PTFE Membrane - The hydrophobic PTFE membrane offers broad chemical compatibility and strong chemical stability for venting applications and situations where leachable-free clarification is not required. Connectors - This non-sterile syringe filter features a female luer lock connector inlet and male luer connector outlet for efficient syringe filtration. Features - This laboratory syringe filter provides high throughput, low protein binding, resistance to strong acids and bases, and high temperature resistance, meeting a wide range of syringe filtration requirements. Size: 25mm Material: PTFE Color: Red Package Contents: 100 x Syringe Filters Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement allowance is +/- 1-3cm.