Tedlar® PVF Sampling Bags PTFE On/Off valve, 0,3L Back Catalog number: HEDTDLC31Z_0.3L Availability: In the manufacturer's stock Price on request - + Recommended 1970-0007 O-RING-007 .145 ID x .070 W for LFS-113 (5 Requi Price on request U-T7EMP-2S Empty cold trap for UNITY series 2 Price on request T-2HD CW agents (in particular HD) cold trap, TT24-7 Price on request