The Geotech PES dispos-a-filter™ is a single-use filter capsule designed for the preparation of water samples for trace metal analysis. It utilizes self-contained, absolute-rated polyethersulfone (PES) membranes that comply with U.S. EPA filtration regulations. The dispos-a-filter™ offers a convenient and cost-effective solution for field and laboratory applications requiring sample filtration for trace metals analysis. 

Key Features:

• Membrane Material: Polyethersulfone (PES)
• Pore Size: Absolute-rated .45µm
• Membrane Surface Area: 900 cm²
  
• Pre-filtration: Not required