Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Back Catalog number: TDL31_5L Availability: In the manufacturer's stock Price on request - + Recommended P-CPU10 Unions, for VOC-Mole cap assembly,pk10 Price on request M-MCHOR O-Ring, micro-chamber pan seal, for M-CTE120I,pk 6 Price on request OST-LENZ01341214 Silicone rubber sealings, Septa for GL 14, pk/100 Price on request