Specification Brand : OKEZZI BulletPoint1 : BulletPoint2 : BulletPoint3 : BulletPoint4 : BulletPoint5 : Color : Single Valve ExternallyAssignedProductIdentifier : 9331924414262 ItemName : CAULYS Gas Sampling Bag, 1 PCS Gas Collection Bag, Aluminum Foil Air Bag, Sampling Bag Single/Double Valve, 5ml~10L Capacity (300ml, Single Valve, 1) ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-sample-bags Manufacturer : CAULYS Material : Aluminum Foil NumberOfItems : 1 PartNumber : CAULYS Gas Sampling Bag ProductDescription : Single Valve Bag It's a sampling bag with only one valve installed Double Valve Bag It's a sampling bag with two identical valves installed on it The inlet and outlet of the single valve sampling bag pass through one valve Differences One valve of the double valve sampling bag is inlet and the other is outlet. The advantages of the double valve bag are: several small capacity air bags can be connected in series to form a large gas sampling bag; and one in and one out is convenient for cleaning the gas sampling bag ProductSiteLaunchDate : 2023-07-20T11:56:30.111Z Size : 300ml