Product Name: Gas Sample Bags 0.2 Litre (Model L Switch Valve) Model NO.: ES-200ML-N61P Type: Es-200ml-N61p Starting Flow: 1L/Min Precision Grade: 0.12mm Diameter: 2mm Kind: Gas Sampling Bags Trademark: E-Switch Transport Package: packing in carton Specification: 200ML Origin: made in China HS Code: 39232900 Product Description Gas Sampling Bags (Aluminium Foil Compound Membranefilm )capacity:200MLValve:polypropylenebag film: Aluminium Foil Compound Membranefilmvalve number:onesmall paper box:53*34*17CMone box with 200pcs,200ML aluminum gas sample bags.bigger paper box:53*35*32 CMone box with 400pcs ,200ML aluminum gas sample bags.uint price:0.9USD,FOB shanghai .Band:E-Switch, easy to use valve.Made in china ,manufacture Shanghai Sunrise Instrument Co.,Ltd.Good quality, low price!we offer sizes from 5M L to 100 L.Available with polypropylene (we get patent) or PTFE valve;choose bags with a septum fitting for syringe sampling or standard spiking.Maximum operating temperature: 100 °C with polypropylene valves .