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 P-CPS20 Dowty seals, for VOC-Mole cap assembly,pk 20 Price on request RMK-0006HT Routine maintenance kit for M-CTE250I Price on request T-4ATX Air toxics cold trap, TT24-7 Price on request