Tedlar® PVF Sampling Bags PTFE On/Off valve, 1,6L Back Catalog number: TDLC31Z_1.6L Availability: In the manufacturer's stock Price on request - + Recommended C-POD-S010 POD Sampler, pk 10 Price on request M-SPC05-120 Collar spacer, alum 5mm, for M-CTE120I,pk 6 Price on request U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request