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-CENKIT Starter Kit: Centri booster pack (DiffLok caps and O-rings) Price on request SERLFP-5003 Spare back pressure adapter, ACTI-VOC Price on request C-POD-S010 POD Sampler, pk 10 Price on request