Devex Gas sampling bags 10L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: HEDDEV71_10L Availability: In the manufacturer's stock Price on request - + Recommended OST-LENZ01341214 Silicone rubber sealings, Septa for GL 14, pk/100 Price on request P-CPU10 Unions, for VOC-Mole cap assembly,pk10 Price on request C-HSPH HiSorb handle, for manual probe extraction Price on request