Dhexroorka tubbada PEEK waa 1/16", oo ku habboon inta badan falanqaynta chromatography dareeraha ee waxqabadka sare. Chromasir wuxuu bixiyaa 1/16 tubbada OD PEEK oo wata aqoonsiga 0.13mm, 0.18mm,0.25mm, 0.5mm, 0.75mm iyo 1mm doorashada macaamiisha. Dulqaadka dhexroorka gudaha iyo dibadda waa ± 0.001”(0.03mm). Tuubada gooya waxa lagu siin doonaa lacag la'aan marka PEEK tuubooyinka dalbashada ka sarreeya 5m.