Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Back Catalog number: HEDTDLC31Z_1.6L Availability: In the manufacturer's stock Price on request - + Recommended T-2HD CW agents (in particular HD) cold trap, TT24-7 Price on request U-TO15-KXR Focusing trap, Trace TO-15, for UNITY-xr with Kori-xr Price on request M-SPC05-120 Collar spacer, alum 5mm, for M-CTE120I,pk 6 Price on request