Anti Snoring Aid - 2 in 1 Snore and Air Purifier Filter Nose Clip Breathing DeviceThese nose vents are inserted into your nose and help you breathe through your nose. They are an anti snoring aid that is used to dilate your nostrils, and in turn, help you breathe more soundly as you sleep. They were created to reduce nasal congestion and blockage as you sleep. Features: High Quality And Durable Material PM 2. 5 filtering (particles or droplets in the air that are two and one half microns or less in width) Modern design replicates