Syringe Filter with uniform pore size, high porosity and high retention efficiency. Syringe Filter Diameter: 13mm, Pore Size: 0.22µm. needle syringe filters have membrane and natural hydrophobic. It also equips with broad chemical compatibility, strong chemical stability, inertia and hydrophobicity. The syringe filters withstand the autoclave process , hydrophobic membrane with Polypropylene(PP) housing & great sheerness and thickness. They are easy to put on and which are suitable for high heat with high temperature & pressure resistance & exchange. Needle Syringe filters are broadly used in filtration of various solvents, as as the filtration of strong acid and strong solutions. They are also suitable for filtration/filtering and other particulate, dyes. Colour:As Shown Material:plastic Package Contents: 100 x syringe filters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.