3M 3100 Single-Filter Half Facepiece Respirator (Small)
The 3M 3100 half mask is a lightweight, single-filter reusable respirator in a small size for smaller faces. With one central filter port, it is compact and easy to wear, and it pairs with the 3M filter range so you can match protection to dust, mist or light vapour hazards.
Product overview
The 3100 is the small size in 3M’s single-filter half-face respirator line. Because it uses a single central filter rather than twin cartridges, it is slim and offers a clear field of view, which suits light-duty tasks and tighter spaces. The mask is reusable, so you replace only the filter to keep costs low.
Key features and benefits
- Single-filter design: compact and lightweight with a clear field of view.
- Small size: shaped for smaller faces for a better seal.
- Reusable: replace only the filter to keep the cost per use low.
- Comfortable fit: soft facepiece and adjustable straps for everyday wear.
- Genuine 3M quality: reliable seal and durable construction.
Main industries and applications
- Light manufacturing: assembly and finishing with dust or light vapours.
- Maintenance & cleaning: dusty indoor tasks.
- Woodworking: sanding and cutting dust.
- Workshops & trades: general-purpose respiratory protection.
Technical specifications
| Attribute | Specification |
|---|---|
| Model | 3M 3100 (size Small) |
| Type | Single-filter reusable half facepiece respirator |
| Filter ports | One (central) |
| Reusable | Yes — replace the filter only |
| Compatible filters | 3M filters for the 3000 / Waffle system |
| Brand / Origin | 3M |
Why buy from Techmaster Electronics
Techmaster Electronics is an authorised supplier of 3M personal protective equipment in Vietnam. We supply genuine 3M respirators, advise on selecting the right filter for your hazard, and provide fit-testing guidance and after-sales support. Contact Techmaster for a free consultation and a quotation.
Frequently asked questions
What does the 3M 3100 protect against?
It depends on the filter fitted. With the right 3M filter it protects against dust, mist or light vapours.
What size is the 3100?
The 3100 is the small size, suited to smaller faces. Larger sizes are available in the same range.
Why choose a single-filter mask?
A single central filter makes the mask slim and lightweight with a clear field of view, which is convenient for light-duty tasks.
Does the 3100 need fit testing?
Yes. As a tight-fitting respirator it should be fit-tested for each wearer to ensure an effective seal. Techmaster can advise on fit-testing.


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