DEVEX sampling bags with PTFE straight and septum valve with OD 6mm, 5L Back Catalog number: NDV31_5L Availability: In the manufacturer's stock Price on request - + Recommended M-MCHOR250 O-Ring, micro-chamber pan seal,pk 4 Price on request C-POD-S010 POD Sampler, pk 10 Price on request U-COV450 O-Rings, low-emission,pk100 Price on request