Filter Change Indicator Inline for Mercaptans Gases & Vapors
5in), diameter 24. The Filter Change Indicator Inlne for Mercaptans Gases & Vapors (Mercaptans BTI Inline, PN: 623) is qualitative (yes/no) colorimetric indicator for the saturation and end-of-service life of carbon absorbers. The BTI Inline is suitable for process vent filters associated with toxic gases emission control, distillation, fractionation, thin-film evaporation, solvent extraction, or air or steam stripping operations.5mm (1.