Gas Sampling Bag, Multi-Layer Foil, 25L, 18 x 24

Sampling bags are a low-cost whole air sampling device for high level VOCs and permanent gases. Several EPA, NIOSH, and OSHA methods exist for bag sampling for a variety of applications: stationary sources emissions; workplace atmospheres; ambient, indoor air quality; and breath analysis. Choose the film type appropriate for your application. All our bags feature a polypropylene combo valve with hose connection to fit 3/16" ID tubing and syringe port with replaceable septum. A single eyelet provides handling convenience. 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 Continous sampling temperature up to 190°F (88°C) indefinitely; do not exceed 190°F for any period of time Protective 5-layer barrier minimizes gas permeability 60 gauge nylon (outer layer) Metalized aluminum Polyethylene 0.0003" aluminum foil 0.002" polyethylene (inner layer)