Instant purchase & no comments & silent midnight purchase OK! Welcome bulk purchases, feel free to comment! One item only, first come, first served ♥ 《 All products are free shipping ♪》 ＼ There is a discount information / Please see the profile! #chanMercari ← Other products The products on sale have been opened to check the contents, so they are unused, but I have selected "Like new". ~Product Description~ 【Chemical Compatibility】Compatible with PH 1-14, has strong chemical compatibility. 【Features】Can filter corrosive chemicals such as strong acids and strong alkalis. 【PTFE Membrane】Has natural hydrophobicity. 【Application】Suitable for aerosol sampling, air and gas filtration, HPLC and organic solvent filtration. 【Quality Control】COBETTER quality system complies with ISO 9001: 2008. Design, manufacturing, and sterilization processes meet cGMP requirements. COBETTER Membrane Filter PTFE Hydrophobic Diameter 47mm Pore size 0.22µm 100 sheets 4-29 9999 5700