Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Back Catalog number: TDLC31Z_1.6L Availability: In the manufacturer's stock Price on request - + Recommended OST-LENZ01341214 Silicone rubber sealings, Septa for GL 14, pk/100 Price on request U-T7EMP-2S Empty cold trap for UNITY series 2 Price on request H1-AXAAC HiSorb probe, inert, standard, pk/6 Price on request