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 NDV61_50L New Devex Sampling Bag with ABS Valve & Septum Fitting, 50L Price on request U-COV450 O-Rings, low-emission,pk100 Price on request M-MCHOR250 O-Ring, micro-chamber pan seal,pk 4 Price on request