Chicago Faucets 216-678NO2JKNF
The Chicago Faucets 216-678NO2JKNF is a genuine OEM Laboratory Index Button specifically designed for the identification of Nitrogen Dioxide (NO2) gas service outlets. In specialized research and environmental testing laboratories, the clear labeling of oxidative or toxic gases is a critical safety requirement. This button features a light blue background with bold black "NO2" lettering. It is precision-engineered to snap-fit into the center of Chicago Faucets' 204 Series 4-arm cross handles, providing a professional, tamper-resistant finish for specialized gas valves and fume hood turrets.
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