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 OST-LENZ01341214 Silicone rubber sealings, Septa for GL 14, pk/100 Price on request HEDNDV32_5L New DEVEX gas sampling bags with PTFE dual-valve, 5L Price on request U-HSAG-20 HiSorb Agitator, accommodates 16 vials (20mL) Price on request