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 M-SPGSC-250 Adjustable sprung spacer, for M-CTE250I,pk 4 Price on request C-KIT325T-2S 325 Tube Kit Price on request U-COV1516 Spare O-ring, black, for POD sampler (support body), pk 10 Price on request