Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Back Catalog number: TDLC31Z_1.6L Availability: In the manufacturer's stock Price on request - + Recommended T-11OP Ozone precursors trap, TT24-7 Price on request M-DSKPF Sample disc, 1.0mm thickness, PTFE,pk 6 Price on request C-POD-KIT01-TNXTA POD Starter kit: Tenax TA Price on request