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 U-COV10 O-Ring, low-emission,size 010, pk10(e2/e3 systems) Price on request C-POD-KIT01-TNXTA POD Starter kit: Tenax TA Price on request