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 U-T19PAH-2S PAH cold trap, UNITY 2/xr and TD-100/xr Price on request C-HSPH HiSorb handle, for manual probe extraction Price on request 1970-0234 O-RING-234 For High Flow Damper Plate Price on request