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-COV07 O-Ring, low-emission, size007, pk 10 (TD autosampl Price on request C-HSPH HiSorb handle, for manual probe extraction Price on request SERZ-1070 Spare bag sampling accessory, ACTI-VOC Price on request