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F. A. Valve (Fine Adjustment Valve) Fine Adjustment Valve (F.A) with or without plastic body socked flow-meter is also for oxygen therapy. It is made of brass bar 249 daily polished & bright chrome plated. The calibration accuracy of the plastic body jacked flow-meter is with in +10% of the set reading .Flow indicating bobbin made of plastic . A Humidifier is available for connection to jacked flow-miter's button for administering moist to patients.
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