Tedlar® PVF Sampling Bags PTFE On/Off valve, 0,3L Back Catalog number: HEDTDLC31Z_0.3L Availability: In the manufacturer's stock Price on request - + Recommended M-DSK15-120 Spacer disc, alum, 1.5mm, for M-CTE120I,pk 24 Price on request OST-LENZ01320014 Screw caps for screwthread tubes GL14 Price on request SERLFP-5003 Spare back pressure adapter, ACTI-VOC Price on request