Tedlar® PVF Sampling Bags PTFE On/Off valve, 0,3L Back Catalog number: HEDTDLC31Z_0.3L Availability: In the manufacturer's stock Price on request - + Recommended OST-LENZ01341214 Silicone rubber sealings, Septa for GL 14, pk/100 Price on request OST-LENZ01320014 Screw caps for screwthread tubes GL14 Price on request U-T17O3P-2S Ozone precursors cold trap, UNITY 2/xr and TD-100/ Price on request