INSTANT ALLERGY RELIEF - Effectively block indoor and outdoor allergens (pollen pet hair & dander mold etc.) hence these nose allergy filters keep you from getting nasal allergies sinusitis and rhinitis. If you have got an air purifier or an air filter for your room these can be worn when you go out or travel.</br>CUTTING-EDGE FILTER & SUPER SOFT FRAME - Single layer and woven mesh filter as thin as 0.04mm provide the best air permeability. Perfect alternatives to the muggy face masks pollen masks and allergy masks. The framework of the nasal filters is very soft for best comfort made of medical-grade FDA-approved plastic BPA- and Phthalate-free. Once you get used you can actually forget you're wearing them!</br>2 SHAPES FOR BEST FIT & PERFECT SEAL - One shape can never fit all noses. Our special solution is providing Slotted and Round shapes according to natural shapes of different nostrils. In addition each shape have four more sizes for better fit!</br>DRUG-FREE PROTECTION - No more worry about side effects of medications such as nasal spray and nasal allergy medicine. Cost effective and suitable for long time use. Frames are easy to rinse and reused. Replacement filters are suggested to be replaced every 3 to 7 days and can be purchased separately.</br>SIZE MAKES A HUGE DIFFERENCE - Please review the product images above for guidance on how to differentiate Slotted and Round noses. Believe me?? size does make a huge difference. Buy the multipack for the first time?? take the fit and give others to your families or friends.</br></br>Product Description</br></br><p><b>Why Choose WoodyKnows Ultra Breathable (New Model)?</b></p><p>- Filtering of airborne particles such as pollen?? dust?? mold?? and dander<br>- Cutting-edge ultrathin filter (0.04mm)?? the mesh thread is as slender as 0.018 mm<br>- Natural shape and soft material for comfort and fit<br>- Drug-free protection?? ultra breathable and discreet invi