Teflon and Stainless Steel Tubing

All Teflon? tubing is either of type TFE or FEP for long lasting, corrosion free service. Tubing is color coded as per what it is used for. Sample lines are clear so that if there is any contamination it can be easily seen. Fuel is red, combustion air is blue, and carrier gas for the methane unit is green. All metal tubing is made of 316 stainless steel