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Thermo air tank valve knob in green color signals Nitrox air mixture
Directional “OPEN” and “CLOSE” arrows molded into knob end
Constructed of sturdy hardened rubber with metal plate insert
2 inches in length
1.5 inches outside diameter
The Trident Thermo SCUBA Air Tank / Cylinder Valve Knob, Nitrox Green provides a durable valve knob for Thermo air tanks in a green color that signals Nitrox air mixtures at a glance. Constructed of sturdy hardened rubber with metal plate insert, the knob features an outer surface that’s ribbed for easy grip. Measuring 2 inches in length, the knob has an exterior diameter of 1.5 inches. The words “OPEN” and “CLOSE” with accompanying directional arrows are molded into the end of the knob, to help prevent over-tightening.