Bottom Feed Connector, Flash HT, for 7 & 9mm ID inner tubes E21870.001E

Bottom Feed Connector Flash HT, outer 17 & 18mm OD outer tubes, 7 & 9mm ID inner tubes 1 each. The Bottom Feed Connector (BFC) has removable stems to connect to the inner tube. The stems allow sealing to inner ceramic or glassy carbon tubes from 6.7 to 7.3mm and 8.7 to 9.3mm bores using of soft silicone seals.