Graph carbon,C6-C20 (DHS),glass tubes,condit,pk10

Tnx TA, 35/60mesh, inert tubes, conditioned/capped, etched, pk 10

Cpk C/Cpk B/Cbxn 1003, stainless steel tubes, pk 10

Tnx TA/Cpk B, stainless steel tubes, conditioned/capped, pk 10