ADVANTAGES: 1. TRIPLE-LAYER HIGH EFFICIENCY: Our O2 Nose Filters employ an advanced triple-layer design featuring a structured support core for shape retention, an electrostatic filter that attracts microscopic particles, and an outer mesh to capture larger dust and debris. This provides comprehensive protection you can feel. 2. DISCRETE AND COMFORTABLE PROTECTION: These nasal filters offer an almost invisible way to guard against airborne pollen, molds, pet dander, pollution, dust, and more. They are designed to fit securely inside your nostrils, providing comfortable, sleek protection wherever you go. 3. ADAPTABLE TO YOUR LIFE: From the daily commute to intense outdoor activities, O2 Nose Filters are your go-to defense. They are ideal for use during travel, work, sleep, or play, allowing you to breathe easier without bulky masks. 4. BREATHE FREELY: Utilize Advanced Electret Media (AEM) to capture particles via static charge. This allows for superior filtration efficiency without adding restrictive material, ensuring you maintain clear airflow and unrestricted breathing. 5. THE CORRECT SPECIFICATIONS: Our O2 Nose Filters are made with safe ingredients, ensuring quality and performance. Each set has a 1-year shelf life. Please review the detailed specifications below for ingredient information. SPECIFICATION: Name: O2 Nose Filters Net content: 1 Pack Ingredients: Safe and standard filtering materials Shelf life: 1 year HOW TO USE: Select the correct size from our S, M, L, or XL options to fit your nostrils perfectly. Simply insert the filter gently into your nose until secure and comfortable. Replace regularly as needed. Comment: 1. Please allow a slight variation in measurements, from 2g to 5g. We appreciate your understanding on minor variations. 2. The actual product color may vary slightly from the images shown due to individual monitor settings. Thank you for understanding! 3. The packaging color is representative of the SKU color. Package Includes O2 Nose Filters