New Devex Sampling Bag with PTFE Valve & Septum Fitting, 25L Back Catalog number: NDV31_25L Availability: In the manufacturer's stock Price on request - + Recommended T-8MAT Materials emissions cold trap, TT24-7 Price on request U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request POL32_5L Polyester gas sampling bag with PTFE dual-valve, 5L Price on request