how do you know what size to order?

I tried to order all sizes and Amazon sent med. while too large these worked, blocked the allergens. I re ordered small and haven't needed them since.

How do you know what size to order?

I'm 4'11" so anything I order has to be the closest to a child's size as possible. I'd say if you're an average sized person with average size nostrils the prob medium will work. I love this product btw. Masks are always so hot and these are perfect and lay the whole day!

How do you know the size o buy?

I usually buy med which is a little larger than I need but it’s easier to use. For women small and med should be fine and for guys I would go med or large unless you have small features.

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First Defense Nasal Screens - Pick-A-Size and Quantity Packs (1-Pack, Small)

Product ID: 369064806

Details

Brand
First Defense
Colour
White
Material
Plastic
Model name
First Defense
Size
7 Count (Pack

🦠Hypoallergenic & latex-free

🌬️Lightweight & non-intrusive

🛡️99% filtration at 10µm

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€ 36.35

Duties & taxes included

In stock

Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Elevate your daily defense with invisible, breathable protection!

INVISIBLE AIR SHIELD - Discreet nasal screens that blend seamlessly for all-day comfort and confidence.
MICRON LEVEL DEFENSE - Filters 77% of particles at 0.1µm, blocking allergens and airborne germs effectively.
ON THE GO PROTECTION - Self-adhesive, easy to apply, and stays securely in place during your busiest days.
BREATHE EASY ANYTIME - Lightweight, non-insert design ensures natural airflow without irritation or obstruction.
HYPOALLERGENIC SAFE - Latex-free and gentle on sensitive skin, perfect for allergy sufferers and health-conscious pros.

First Defense Nasal Screens offer a revolutionary, lightweight, and hypoallergenic solution to filter airborne allergens and germs. With proven filtration efficiency of over 99% at 10 microns and a discreet, non-intrusive design, these self-adhesive screens provide comfortable, all-day respiratory protection without compromising natural airflow.

Specifications

ASIN	B00JZVC5EO
ASIN	B00JZVC5EO
Best Sellers Rank	#94,488 in Health ( See Top 100 in Health ) #85 in Lung & Breathing Medication
Brand Name	First Defense
Color	White
Customer Reviews	4.0 4.0 out of 5 stars (293)
Customer reviews	4.0 4.0 out of 5 stars (293)
Is Discontinued By Manufacturer	No
Manufacturer	First Defense
Manufacturer	First Defense
Manufacturer Part Number	FD1PKSM
Manufacturer reference	FD1PKSM
Material Type	Plastic
Model Name	First Defense
Number of Layers	1
Package Dimensions	16.69 x 8.2 x 1.7 cm; 272 g
Size	7 Count (Pack of 1)
UPC	609788973263
Unit Count	7.0 Count

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