Multi-layer gas sampling bags, PP valve (4.76mm), 1L Back Catalog number: HEDMBT71_1L Availability: In the manufacturer's stock Price on request - + Recommended C-HSPVLP-6 HiSorb Septum Plug, pk 6 Price on request P-FORMR Brass impact former Price on request U-COV10 O-Ring, low-emission,size 010, pk10(e2/e3 systems) Price on request