✦Product features: strong acid and alkali resistance, resistance to a variety of solvents, melting temperature 260°C(=500 ° F), low adsorption, stable chemical/physical properties can ensure that the storage will not be affected by the collection bag
✦Application: Specially used for collecting and storing gas, The details of Capacity/ Valve material/number of valves can be seen in the options, the material of the main part of the bag is the same (all PTFE), the difference only exists in the Capacity of the bag and the material of the valve
✦1 Pcs/Package, Make sure you select the correct capacity/material/number of valves before purchasing