Tedlar® PVF Sampling Bags PTFE On/Off valve, 0,3L Back Catalog number: TDLC31Z_0.3L Availability: In the manufacturer's stock Price on request - + Recommended SERZ-1070 Spare bag sampling accessory, ACTI-VOC Price on request M-MCHOR O-Ring, micro-chamber pan seal, for M-CTE120I,pk 6 Price on request M-TICAP Tube interface cap for removable lid,pk 6 Price on request