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View this orderFlash Deals are limited time, limited quantity promotions, so act fast! Limited to: 1 unit of 1 flash deal product per order. If you order more than one unit or re-order or order other flash deals, you will pay our regular low price. Flash Deals are ineligible from all other promotions.
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View this orderThe length of time for the expiration date or "best used before" date depends on the type of product, as well as the brand.
Perishable items (such as flax oils or certain probiotics) generally have shorter expiration dates. Although our warehouse is fully air-conditioned, these more fragile items are put in cold storage (freezer or refrigeration unit) for maximum freshness.
Our receiving department does its best to verify and then enter the correct expiration dates for all incoming products. However, discrepancies do occur from time to time. This being said, the exceptionally high turnover at iHerb ensures that our inventory is among the freshest in the industry.
Nano Filter Mask protects against bacteria and dust while featuring adjustable functions for a secure comfortable fit.
Protection Nano Mask
Inner Layer - Soft mesh pattern that causes no irritation against the skin
Outer Layer - Comfortable breathing space between 3 layers of mesh and nano filter
3D Shape - Designed with special technology to comfortably fit against the face line
Chin Guard - For a secure and comfortable fit
Stopper - Convenient for adjustment
3-In-1 Protection System - Mesh/Nano Filleter/Mesh
Nano filter - Measuring 0.5 µm, protects against particles like bacteria, dust, and germs.
Mesh - Soft feeling, excellent durability, and protects against UV.
Compare Sizes to Nano Filter
Hair 50~70µm > Pollen 10~30µm > Fine Dust 10µm > Bacteria 3~10µm > Micro Dust 2.5µm > Cigarette Smoke 0.7µm > Nano Filter 0.5µm
Reusable for 3-6 months depending on care and air quality conditions.
How to wash
Outer - 100% polyester
Inner1 - 99% pet, 1% pvdf
Inner2 - 100% polyester
While iHerb strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site. Although items may occasionally ship with alternate packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and not rely solely on the information provided by iHerb.
