WoodyKnows Super Defense Nose Nasal Filters, Block Pollen, Dust, Dander, Mold Allergens, Air Pollution PM2.5, Relieve Allergy (3 Filter Frames and 6 Pairs of Replacement Filters) (I-S / II-S / III-S)

Why Choose WoodyKnows Super Defense? - Cutting-edge electrostatic filter attracts 97% of pollen / dust / dander / mold, 90% of germs / PM2.5 pollution - Natural shape and soft material for comfort and fit - Drug-free protection, easy breathing, and discreet invisible design What's better about the New Model? - Cutting-edge electrostatic filter improves both filter efficiency and breathability - Improved structure ensures a more secure filter and seal - Shorter and thinner connector offers greater discretion - New black retainer frames further enhance invisibility - Softer frame material offers a more comfortable fit Select the Right WoodyKnows Product Please review the product images above for guidance on how to differentiate Super Defense, Ultra Breathable, Super Breathable, Super Defense Max, and Gas & Pollutant Reducing Nasal Filters. Select Your Size I-R: XSmall round nostril II-R: Small round nostril III-R: Medium round nostril IV-R: Large round nostril I-S: XSmall slotted nostril II-S: Small slotted nostril III-S: Medium slotted nostril IV-S: Large slotted nostril More from WoodyKnows - First-time buyers are recommended to order the multipack-(IR/IIR/IIIR) or multipack-(IS/IIS/IIIS) Packaging Contents: 3 filter frames (1 set of IR/IIR/IIIR each) and 6 pairs of replacement filters (2 pairs of IR/IIR/IIIR each), storage case, manual(3 pairs of replacement filters have been already installed into the frames so that you could use them directly) Pure Air Wherever You Go!