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 M-DSK15-250 Spacer disc, alum, 1.5mm, for M-CTE250I,pk 24 Price on request 1234 BALLOONS FOR GAS SAMPLING, 5Liters Price on request U-T1KORI Empty cold trap, KORI-xr Price on request