Tedlar PVF Gas Sampling Bag with PP valve, 0,5L Back Catalog number: TDL71_0.5L 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 U-T9TNX-2S Unity 2/TD-100 Cold trap, Tenax TA Price on request C-TAGKT TubeTAG starter kit (for SS tubes) Price on request