Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Back Catalog number: TDL31_5L 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 U-ULKIT TD automation/ULTRA-xr starter kit Price on request U-COV35 O-Ring, low-emission, size 035,pk10 Price on request