DEVEX sampling bags 5L, stopcock & septum Back Catalog number: HEDDEV41_5L Availability: In the manufacturer's stock Price on request - + Recommended M-MCHOR250 O-Ring, micro-chamber pan seal,pk 4 Price on request 1231 BALLOONS FOR GAS SAMPLING, 1,5Liters Price on request C-CRCK Canister Rack Connection Kit, for connecting 15 x 1/4" outlet canisters to U-RACK02 Price on request