Repalcement septum for Tedlar bag TDLC31Z Back Catalog number: TDLC-S Availability: In the manufacturer's stock Price on request - + Recommended P-FORMR Brass impact former Price on request C-POD-B010 Spare Diffusive Body, for POD sampler, pk 10 Price on request M-MCHOR250 O-Ring, micro-chamber pan seal,pk 4 Price on request