- Please fix the quantity error in (MQC211) Quartz Capillary Tubes (Round), O.D.: 1.9mm, I.D.: 1.65mm, Length: 25mm, (MQC019) Quartz Capillary Tubes (Round), O.D.: 0.68mm, I.D.: 0.47mm, Length: 25mm, (MQP112) Quartz Plate, Rectangular, Size: 45x9mm, Thick: 1mm, Type 1 Material, 190-2500nm, (MQC404) Quartz Capillary Tubes (Outer Square Inner Round), O.D.: 2.5×2.5mm, I.D.: 0.25mm, Length: 25mm products