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 invisible design</p><p><b>What's better about the New Model?</b></p><p>- Disposable filter, no longer needs to be cleaned<br>- Softer frame material offers a comfortable fit<br>- Shorter and thinner connector offers greater discretion<br>- New black retainer frames further enhance invisibility<br>- Improved structure ensures a more secure filter and seal</p><p><b>Select the Right WoodyKnows Product</b></p><p>Please review the product images above for guidance on how to differentiate Ultra Breathable, Super Defense,<br>Super Breathable, Super Defense Max, and Gas & Pollutant Reducing Nasal Filters.</p><p><b>Select Your Size</b></p><p>I-R: XSmall round nostril<br>II-R: Small round nostril<br>III-R: Medium round nostril<br>IV-R: Large round nostril<br>I-S: XSmall slotted nostril<br>II-S: Small slotted nostril<br>III-S: Medium slotted nostril<br>IV-S: Large slotted nostril</p><p>Please review the product images above for guidance on how to differentiate between round and slotted nostrils.</p><p><b>More from WoodyKnows</b></p><p>- First-time buyers are recommended to order the multipack-(IR/IIR/IIIR) or multipack-(IS/IIS/IIIS)<br>- Packaging Contents: 2 filter frames and 6 pairs of replacement filters, storage case, manual(2 pairs of replacement filters have been already installed into the frames so that you could use them directly)<br>- Please search <b>B00DLYR76M</b> on Amazon for our latest Nasal Dilators for nasal congestion and snoring relief.</br>- Please search <b>B01CU25IY8</b> for WoodyKnows Super Soft Sleep Mask. </p> <p><b>Pure Air Wherever You Go! </b></p></br><br/>http://www.amazon.com/gp/product/B008I2PBEM