PTFE Syringe Filter, AQ™ brand, 0.22µm, 4mm housing.
PTFE - Strong Chemical Compatibility - HPLC Certified - Hydrophobic. Advanced Quality PTFE Syringe Filters, AQ™ brand, for Pharmaceutical Grade HPLC & Dissolution Testing. Manufactured with a unique 0.22µm PTFE or Polytetrafluoroethylene (purest form of Teflon©) in a 4mm polypropylene housing, these syringe filters are made for laboratories that require consistent, high performance results with ease of use especially during high volume work.