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the mouthpiece expiration valve will open during expiration
The Ishihara color test is a test for color blindness
EtCO2 and advanced respiratory mechanics monitoring capabilities are designed to help you optimize your patient's therapy
the valves close directing exhaled air through specifically designed vent holes to generate EPAP (Expiratory Positive Airway Pressure)
5 Hours (Depending on remaining battery life) Battery Duration 1
Graham Field Safety Glasses - Lightweight Parts the mouthpiece expiration valve willGraham Field Safety Glasses Lightweight Features Safety Glasses Lightweight General indoor applications Extended wraparound coverage and molded nose bridge Scratch resistant hard coating Clear lens with frameless style Lightweight Polycarbonate lens absorbs 99. 9% of UV rays Meets the requirements of ANSI Z87. 1 2010 and CSA Z94. 3 2007 12 EA BX Specification Brand: Graham Field Product Type: Safety Glasses