Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 2L Back Catalog number: HEDTDL31_2L Availability: In the manufacturer's stock Price on request - + Recommended M-SPC05-120 Collar spacer, alum 5mm, for M-CTE120I,pk 6 Price on request U-T14H2S-2S H2S cold trap, UNITY 2/xr Price on request C-KITME01-2S Basic material emissions starter kit Price on request