Hydrophobic Syringe Filter. Hydrophobic PTFE. Compatible with aqueous samples only. CA, Nylon, or PES. Compatible with organic and aqueous samples. Hydrophilic PTFE, Nylon, or Hydrophilic PVDF. Compatible with gaseous samples. MCE, or PTFE. Can handle high temperature liquids <100 ℃ PES, MCE, or PTFE. Low protein binding. MCE, PES