Safe-Flo™ Saliva Ejector Valves Safe-Flo™ Saliva Ejector Valves M1010SUSE Safe-Flo one-way valve, blue, for use on low-volume evacuation lines to prevent backflow. Combine with your favorite saliva ejector. Where to Buy x Category Dealer Partners Sales Representative Strategic Markets Schools Representative Accutron™ Equipment Sales Zip Code Find Representative Reset Select a category, input a zip code and click on Find Representative, or explore the complete list here.