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-7CUS cust packed cold trap, TT24-7 Price on request P-FORMR Brass impact former Price on request M-DSKPF Sample disc, 1.0mm thickness, PTFE,pk 6 Price on request