Manufacturer’s product information (qualityaspirators.com, opens in a new tab)

Backflow Valve
Made by Quality Aspirators/Q Optics
From $32
Backflow valve for use with saliva ejector tubing. The backflow valve is positioned within 6″ of the saliva ejector valve and eliminates backflow by shutting off the suction before backflow can occur.
About Backflow Valve
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Who makes it
Manufacturer
Listed in the Clinicians Report dental company directory; Quality Aspirators/Q Optics, website: www.qualityaspirators.com, listed address: P.O. Box 382120 Duncanville, TX 75138-2120, phone: (972) 298-2669.
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