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-SPFSC-250 SPF Sample Cutter and Mat, for high temp Micro-chamber Price on request M-MCAL20 Disposable dish, alum, 20mL,pk100 Price on request U-COV100 O-Ring, low-emission, size 010, pk/100 Price on request