Hello Everyone, This Regulator has been tested on full oxygen tank to make sure pins are not leaking when lined up. All regulators listed have been tested and are working properly. Thank you! The product is an oxygen regulator with a brass sleeve, specifically the Attentus 3500B model from Attentus Medical Sales Inc. It is designed to maintain a pressure of 50 PSI for the delivery of medical oxygen. The item has been tested to ensure its functionality and quality. This regulator is intended for use in healthcare settings, specifically in medical and lab equipment applications where precise oxygen delivery is
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