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 U-T19PAH-2S PAH cold trap, UNITY 2/xr and TD-100/xr Price on request OST-227-3141 Spare solid glass stopcock key, NS 14,5, 2pc/pk Price on request P-00010 VOC-Mole assembly, 230mm,pk10 Price on request