Inserts, PTFE,pk 6 Back Catalog number: M-TSTIN Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended U-COV100 O-Ring, low-emission, size 010, pk/100 Price on request U-T3ATX-2S Air Toxics, C2 - C14 (TO-14), cold trap Price on request 1232 BALLOONS FOR GAS SAMPLING, 2Liters Price on request