Written and maintained by CASRAI Editorial Board
Last updated
This page describes products and general use; it is not medical advice.
Who this is for: clinic, lab and facility staff who buy N95 respirators from a wholesale supplier and need to check who they are buying from, and whether the product in the box is the approved product. It adds a supplier-vetting workflow to our bulk N95 order checklist, which covers label contents and lot checks in more detail.
The short answer: three separate checks
A wholesale N95 purchase raises three different questions, and a single document rarely answers all of them: (1) is this model NIOSH approved, (2) is the seller who it claims to be, and (3) is the unit in the carton the approved product? NIOSH’s guidance on counterfeit and misrepresented respirators is built around the first two; the federal labeling rule in 42 CFR 84.33 anchors the third. For how approval works, see NIOSH-approved N95 masks and the NIOSH approved respirator list.
How do I confirm a supplier is legitimate?
Start with the product, not the storefront: NIOSH says to confirm that a product’s model name and NIOSH approval number match the Certified Equipment List. Then look at the seller. NIOSH lists these warning signs for sellers and listings:
- A listing that calls itself “legitimate” and “genuine”. NIOSH says such a listing likely is not.
- Advertising “unlimited stock” during a shortage, which NIOSH says could indicate the respirator is not approved.
- Price changes or swings, or prices that look too good to be true.
- A seller trying to bypass a marketplace’s messaging system to show personal contact details.
- A free email address, which NIOSH says may suggest the seller is not part of the company.
- Misspelled domains (“domain squatting” activity), sloppy grammar, photo editing, incomplete or placeholder websites and broken links.
NIOSH also suggests reviewing a seller’s transaction history and reviews where available, and checking whether its product mix stays consistent over time rather than shifting to whatever is in demand.
What is the difference between a manufacturer and a distributor?
For a respirator, the party that matters for approval is the approval holder, the “applicant” in the regulation. Under 42 CFR 84.33(b), the approval label carries the applicant’s name and address and an approval number with the prefix TC and a serial number. Under 84.33(d), approval labels and markings may only be used by the applicant to whom they were issued, and under 84.33(f) that applicant must maintain the approved quality-control sampling schedule and make the respirator according to the approved drawings and specifications.
A wholesale seller may be the approval holder or another company. The regulation does not require them to be the same, so the useful question is whether the name on the label and the Certified Equipment List entry match the product you are being offered.
Which certificates and registrations can I check independently?
| What to check | Where the rule or guidance comes from | What it tells you |
|---|---|---|
| Model name and approval number against the Certified Equipment List | NIOSH, counterfeit and misrepresented respirators page (updated October 28, 2026) | Whether the model is NIOSH approved |
| NIOSH emblem, HHS seal, applicant name and address, TC approval number on the label | 42 CFR 84.33(b) | The label elements the approval holder must carry |
| Applicant name, trade designation, and lot number, serial number or approximate date of manufacture on each respirator, component and container | 42 CFR 84.33(g) | Which batch a unit belongs to |
| Use of NIOSH registered marks | NIOSH page | Only NIOSH Approved respirators can carry them |
A supplier’s own certificate or letter is not on this list. The checkable records are the NIOSH list and the markings on the product.
How do I spot counterfeit or gray-market product?
NIOSH’s page is the reference for counterfeit and misrepresented respirators. Compare the label on the sample or delivered unit against the Certified Equipment List entry, check that the markings required by 84.33 are present, and read the seller red flags above against the actual listing.
What do recall and returns terms look like?
The federal respirator labeling rule does not set returns terms for a wholesale respirator order, so these are terms to agree with the supplier rather than terms to assume. What the rule does support is traceability: because 84.33(g) puts a lot number, serial number or approximate date of manufacture on respirators and containers, record those details on receipt so a problem can be tied to a specific batch. If you suspect a counterfeit or misrepresented respirator, NIOSH asks you to contact it at [email protected] and to include:
- the manufacturer name and the model or part number,
- photos of the respirator and its packaging,
- the NIOSH approval number, if present,
- the web address where it was purchased or found.
Common mistakes
- Accepting a seller’s claim that a product is “genuine” as proof; NIOSH treats that wording as a warning sign.
- Checking the brand name but not the model name and approval number against the Certified Equipment List.
- Moving a negotiation off a marketplace’s own messaging system.
- Skipping lot and date details at receiving, which link a unit to its batch.
Surgical masks and N95 respirators are different products; see what a surgical mask is. Programs that issue respirators also need a written program: respiratory protection program for laboratories.
FAQ
How do I confirm a supplier is legitimate?
Match the model name and approval number to the NIOSH Certified Equipment List, then screen the seller against NIOSH’s red flags: “genuine” claims, “unlimited stock”, price swings, off-platform contact, free email and misspelled domains.
What is the difference between a manufacturer and a distributor?
The regulation speaks of the approval holder (the applicant named on the label), who alone may use the approval markings. A distributor may sell the product without being the approval holder.
Which certificates and registrations can I check independently?
The NIOSH Certified Equipment List entry, and the label elements required by 42 CFR 84.33: emblem, seal, applicant name, TC number, and lot, serial number or date of manufacture.
How do I spot counterfeit or gray-market product?
Compare the unit’s markings with the Certified Equipment List and apply NIOSH’s seller red flags. Report suspected counterfeit or misrepresented respirators to [email protected].
What do recall and returns terms look like?
The federal labeling rule does not prescribe them for wholesale orders, so agree them in writing and record lot and date details at receipt.
Sources
- NIOSH, Counterfeit and Misrepresented Respirators: https://www.cdc.gov/niosh/ppe/counterfeit_respirators/index.html (page updated October 28, 2026; checked November 1, 2026).
- 42 CFR 84.33, Approval labels and markings, eCFR: https://www.ecfr.gov/current/title-42/chapter-I/subchapter-G/part-84/subpart-C/section-84.33 (checked November 1, 2026).
