Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_6L Availability: In the manufacturer's stock Price on request - + Recommended M-SPC05-250 Collar spacer, alum 5mm, for M-CTE250I,pk 4 Price on request POL32_5L Polyester gas sampling bag with PTFE dual-valve, 5L Price on request 1970-0011-R O-RING -011 .301 ID X .070 W Each Price on request