Features Uses reliable Teddler (R) film. This is a sampling bag for gas analysis made of polyvinyl fluoride resin that has excellent resistance to various inorganic gases and organic solvents. Teddler (R) (polyvinyl fluoride resin) film has very little gas permeability and adsorption and is suitable as a gas collection bag. Spec Material: Tedlar(R) (polyvinyl fluoride resin) Thickness: 0.05mm Nozzle diameter: ?6 mm With 2 ports cap Size (mm): 150 x 250 *It is the price of 1 sheet. Model number: 1L