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-POD-SP10 POD Support Plate, with clip, pk 10 Price on request P-00020 VOC-Mole assembly, 380mm,pk10 Price on request 1970-0025-R O-RING, -025 BUNA-N, DURO 70 (GilAir-3/GilAir-5/BD Price on request