Can you please provide a link or point to where these appear on the fda eua list?

I was wondering the same thing, and after much research found this mask listed on the FDA Gov website. In Google, search for "Appendix A: Authorized Surgical Masks" and click on the 1st search result. Now you'll be on an FDA website. Hit CTRL-F and type Chengde to search for all words in the page with Chengde, and the browser will scroll down to what appears to be this mask listed in Appendix A. Appendix A is a list of all FDA EUA masks. You may also see this mask's ratings by Googling "International Assessment Results – Not NIOSH-approved". Click the 1st result. You'll now be on a CDC website. Scroll down and click the "Open All" button. Again, do a text search for Chengde, and you'll see 2 masks this company makes listed. I'm not sure which one is the correct one, but they both filter out more than 95% of cooties. Just FYI, this mask is not supposed to be NIOSH approved - that's a rating for N95 masks, so don't let "Not-NIOSH-approved" throw you off.

Are these masks washable/reuseable?

No, these masks are not washable. They are disposable, one-time use only. But some people use a couple of times more provided the mask is still clean.

Are these longer than 6 inches from nose-to-chin?

No. I would say about 4 1/2 inches. Also, I just confirmed that these masks are not niosh approved.

Can the nose clip flexibly adjusted? How is it look?

It is a adjustable metal nose clip, does not easy to break and not feel light or tight over your nose. When worn, the front and side display effects are very close to the face. Play a good protective effect.

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KN95 Face Mask 60 Pcs, 5 Layer Cup Dust Safety Masks, Breathable Protection Masks Against PM2.5 Dust for Men, Women Black

KN95 Face Mask 60 Pcs, 5 Layer Cup Dust Safety Masks, Breathable Protection Masks Against PM2.5 Dust for Men, Women Black

Product ID: 362345781

Details

Brand
ChiSip
Color
60
Filter Class
KN95
Number of Items
60
Size
60 Count (Pack

😷3D ergonomic fit

🌬️Breathable & moisture-wicking

🛡️5-layer advanced filtration

S$48

Duties & taxes included

In stock

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Description

😷 Elevate your everyday safety with breathable, professional-grade KN95 protection!

COMFORT MEETS SAFETY - 3D cup design contours perfectly to your face, enhanced with adjustable nose wire and stretchable ear loops for all-day wear.
NEXT LEVEL PROTECTION - 5-layer KN95 filtration blocks PM2.5 and dust with 51% non-woven, 29% melt-blown, and 20% hot air cotton layers.
BREATHE EASY STAY SECURE - Inner skin-friendly layer absorbs moisture, ensuring breathability without compromising protection.
TRUSTED QUALITY RELIABILITY - Manufactured by CHENGDE TECHNOLOGY CO., LTD with a 2-year warranty and top-rated by thousands of users.
BULK PACK FOR THE BUSY PROFESSIONAL - 60 masks per pack—ideal for daily commutes, office, travel, and crowded urban environments.

The ChiSip KN95 Face Mask 60 Pack offers premium 5-layer filtration combining non-woven fabric, melt-blown fabric, and hot air cotton to effectively guard against PM2.5 dust and airborne particles. Designed with a 3D ergonomic cup shape, adjustable nose wire, and stretchable ear loops, it ensures a snug, comfortable fit for men and women on the go. Perfect for professionals navigating crowded spaces, this breathable, disposable mask balances superior protection with all-day comfort.

Specifications

ASIN	B08VDFHKHX
Best Sellers Rank	#28,981 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #65 in Disposable Respirator Safety Masks
Brand Name	ChiSip
Closure Type	Elastic Earloop
Color	60 Pack-black-adult
Customer Reviews	4.5 4.5 out of 5 stars (28,963)
Fabric Type	51% Non woven fabric, 29% Meltdown fabric, 20% Hot air cotton
Filter Class	KN95
Fit Type	Regular
Item Type Name	KN95
Item Weight	150 Grams
Manufacturer	CHENGDE TECHNOLOGY CO.,LTD.
Material	Non woven fabric, Meltdown fabric, Hot air cotton
Number of Items	60
Occasion	office, outdoor, party, school, airplane,travel
Part Number	KN95-CD-B04
Product Style	Face Mask
Reusability	Disposable
Size	60 Count (Pack of 1)
Special Features	Nose Wire
Style Number	KN95 (PM2.5) Protective Mask
UPC	798789557265
Unit Count	60.00 Count
Warranty Description	2 Years

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