Tiếng Việt
3M E-A-R UltraFit 340-4002 Uncorded Reusable Earplugs (SNR 32 dB)
The 3M UltraFit 340-4002 are genuine uncorded, reusable earplugs that deliver an SNR of 32 dB. Their pre-moulded triple-flange design seals comfortably without rolling foam, making them a hygienic, washable choice for repeated daily use in noisy manufacturing and construction environments.
Product overview
The E-A-R UltraFit is a washable, reusable earplug. Because the soft triple-flange tip is pre-moulded, workers insert it quickly and cleanly without rolling foam first. This uncorded version suits wearers who prefer no cord; the plugs can be washed and reused to lower the cost over time.
Key features and benefits
- SNR 32 dB: strong noise attenuation for loud environments.
- Reusable & washable: lower cost per use than disposable foam.
- Triple-flange fit: comfortable seal without rolling foam.
- Uncorded: cord-free for wearers who prefer it.
- Hygienic insertion: no need to roll the tip before fitting.
Main industries and applications
- Manufacturing & production: ongoing machine noise.
- Construction & demolition: loud site work.
- Metalworking & engineering: grinding and machining.
- Maintenance: intermittent high-noise tasks.
Technical specifications
| Attribute | Specification |
|---|---|
| Model | 3M E-A-R UltraFit 340-4002 |
| Type | Reusable uncorded earplugs |
| Noise reduction | SNR 32 dB |
| Design | Pre-moulded triple-flange |
| Corded | No |
| Brand / Origin | 3M E-A-R |
Why buy from Techmaster Electronics
Techmaster Electronics is an authorised supplier of 3M personal protective equipment in Vietnam. We supply genuine 3M hearing protection, advise on the right attenuation for your noise levels, and provide dependable after-sales support. Contact Techmaster for a free consultation and a quotation.
Frequently asked questions
What noise level do the UltraFit 340-4002 reduce?
They provide an SNR of 32 dB. Always match the attenuation to the measured noise level in your workplace.
Are they reusable?
Yes. The triple-flange earplugs are washable and reusable, which lowers the cost per use compared with disposable foam.
How are they different from the 340-4004?
The 340-4002 is the uncorded version, while the 340-4004 is the corded version of the same UltraFit earplug.
Do I need to roll them before fitting?
No. The pre-moulded triple-flange tip is inserted directly, which is more hygienic than rolling foam.
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