Tedlar® PVF Sampling Bags PTFE On/Off valve, 0,3L Back Catalog number: TDLC31Z_0.3L Availability: In the manufacturer's stock Price on request - + Recommended SERZ-1076 Spare filter assembly, ACTI-VOC Price on request NDV31_50L New Devex Sampling Bag with PTFE Valve & Septum Fitting, 50L Price on request U-COV03 O-Ring, Size 003, pk 10 Price on request