Vzorkovnice na plyny s jednocest. + trojcest. koho Back Catalog number: 632443606150 Availability: In the manufacturer's stock Price on request - + Recommended U-T9TNX-2S Unity 2/TD-100 Cold trap, Tenax TA Price on request M-TCN04 O-Ring, size 007, and spacer,pk 6 Price on request U-T17O3P-2S Ozone precursors cold trap, UNITY 2/xr and TD-100/ Price on request