Polyester gas sampling bag with PTFE dual-valve, 2L Back Catalog number: POL32_2L Availability: In the manufacturer's stock Price on request - + Recommended C-CRCK Canister Rack Connection Kit, for connecting 15 x 1/4" outlet canisters to U-RACK02 Price on request C-EZVOCTG Easy-VOC TubeTAG Interface Price on request SERLFP-5002 Spare charger, ACTI-VOC Price on request