Tedlar PVF Gas Sampling Bag with PP valve, 5L, 3/16'' OD (4.76mm)

O-Ring, Size 003, pk 10

Devex Gas sampling bags 10L, PP screw cap valve, 3/16'' OD (4.76mm)

Tube Adaptor, for connection of 1/4" tubes to 1/8" flexible tubing