PEEK Tubing comes in varieties of natural PEEK®: solid color-coded, dual-layer color-coded, striped, and dash-stripe coded. Dual Layer Color-Coded type eliminates concern that sample stream could be contaminated by pigments used to color code tubing. Available with ODs of 360 micron, 1/32 in., 1/16 in., and 1/8 in. and IDs down to .002 in., tubing uses RoHS-compliant colorants. Tolerance is ±.0005 in. for IDs up to .010 in. and ±.001 in. for larger IDs.