KN95 Β· selection guide

KN95 Respirator Selection Guide

Five-layer filtration, fit and certification β€” how to choose a KN95 respirator for healthcare and industrial use.

Buyer guide

What to consider

01

Read the five-layer filtration as a barrier system

A KN95 respirator uses five layers of nonwoven filtration, including a melt-blown or HEPA filtration media that captures fine particles, dust and aerosols. The filtration media is what gives KN95 its high-efficiency rating, so the quality and basis weight of that media matter more than the total layer count. A well-formed melt-blown core is the first thing to check on a specification sheet.

  • Five-layer nonwoven construction
  • HEPA filtration media for fine particles
  • Melt-blown quality drives the protection level
02

Fit and seal decide whether the filter works

A respirator only protects if it seals against the face. Adjustable ear loops or head straps and a nose clip help achieve a secure fit, and a poor seal lets unfiltered air leak around the edges. For a respirator, the seal is as important as the filter β€” a high-efficiency media with a poor fit still lets contaminated air bypass the barrier.

  • A respirator only protects if it seals against the face
  • Adjustable straps and a nose clip improve the seal
  • A poor seal lets unfiltered air leak around the edges
03

Match the respirator to the task and the wearer

For healthcare and industrial settings where fine particles and aerosols are a risk, a KN95 respirator provides high-efficiency filtration. Consider the wearer too: a flat-fold design is convenient for storage and donning, a valve version reduces heat and moisture build-up for longer wear, and a smaller size fits children or smaller faces. Match the model to the task, the shift length and the wearer.

  • High-efficiency filtration for fine particles and aerosols
  • Flat-fold, valve and kids sizes suit different wearers
  • Match the model to the task and the shift length
04

Verify certification for the exact model

For export, confirm the KN95 carries the certification your market requires β€” CE for Europe and FDA registration for the US. The file must name the exact model you are ordering; a certificate that covers a similar but different respirator is not proof your order is compliant. Check the issuing body, the standard it meets and the validity period before you commit.

  • CE for Europe, FDA registration for the US
  • The file must name the exact model you order
  • Check the issuing body, standard and validity period
Buyer FAQ

Common buying questions

What does KN95 filter?+

KN95 respirators filter at least 95% of airborne particles, including fine particles, dust and aerosols, using five-layer nonwoven filtration with HEPA media.

How important is the fit?+

Fit is critical. A respirator only protects if it seals against the face. Adjustable straps and a nose clip help achieve a secure seal.

What certification should I request?+

For Europe, request CE marking; for the US, FDA registration. Confirm the file covers the exact model and matches your target market.

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Tell us your requirements

Share your product type, quantity and destination. Our export team will confirm certification files, MOQ and lead time for your order.

  • CE / FDA certification files
  • MOQ, packaging and confirmed lead time
  • OEM / private-label options for your brand
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KN95 Respirator Selection Guide (wholesale inquiry)
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