Gas Sampling Bag, Multi-Layer Foil, 40L, 24"x 24.5" w/polypropylene combo valve & septum, 1 eyelet, 5/pk

• Good stability for low molecular weight compounds, such as methane, CO, CO₂, and permanent gases.
• Chemically inert with light and moisture protection.
• Not recommended for low ppm VOCs due to background levels.
• Protective 4-layer barrier minimizes gas permeability
  • 60 gauge nylon (outer layer
  • Polyethylene
  • 0.0003" aluminum foil
  • 0.002" polyethylene (inner layer)
• Maximum operating temperature: 82 °C (180 °F).

Note: Use only Point Style 5 or H syringe needles.