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-MCHOR250HT O-Ring, micro-chamber pan seal,pk 4 Price on request 1970-0234 O-RING-234 For High Flow Damper Plate Price on request HEDFEP32_2L FEP gas sampling bag with PTFE dual-valve, 2L Price on request