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 H4-AXABC HiSorb probe, DVB/CWR/PDMS, inert, short version, pk 6 Price on request 1970-0234 O-RING-234 For High Flow Damper Plate Price on request 1970-0007 O-RING-007 .145 ID x .070 W for LFS-113 (5 Requi Price on request