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3M Ear Plug Dispenser Refill: Dispenser Refill, Bullet, 33 dB NRR, Uncorded - Earplug Dispenser Refills
3MEarplug Dispenser Refills

3M Ear Plug Dispenser Refill: Dispenser Refill, Bullet, 33 dB NRR, Uncorded

The 3M Ear Plug Dispenser Refill (MPN 391-1004) is a bullet-style, uncorded, roll-down disposable earplug with a 33 dB NRR, in yellow. This refill is designed for use with 3M dispensers, supporting hearing protection…

SKU 3G-OTH-554146

Brand
3M
Item
Ear Plug Dispenser Refill: Dispenser Refill, Bullet, 33 dB NRR, Uncorded
Category
Earplug Dispenser Refills
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Technical Specifications

3M
Manufacturer Part Number
391-1004
Type
Bullet, 33 dB NRR, Uncorded, Roll-Down, Disposable
Earplug Color Original
Yellow
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3M Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The 3M Ear Plug Dispenser Refill (MPN 391-1004) is a bullet-style, uncorded, roll-down disposable earplug with a 33 dB NRR, in yellow. This refill is designed for use with 3M dispensers, supporting hearing protection programs across industrial environments.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the 3M Ear Plug Dispenser Refill 391-1004 used for?

The 3M Ear Plug Dispenser Refill 391-1004 supplies uncorded, roll-down disposable earplugs for industrial hearing protection programs. It is designed for use with 3M dispensers in manufacturing, construction, and other noisy environments where 33 dB NRR protection is required.

What are the specifications of the 3M Ear Plug Dispenser Refill 391-1004?

The 3M Ear Plug Dispenser Refill 391-1004 features a bullet-style, uncorded, roll-down disposable design with a 33 dB NRR rating. Earplugs are yellow. This refill is compatible with 3M dispensers and is identified by manufacturer part number 391-1004.

Where to buy 3M Ear Plug Dispenser Refill 391-1004 worldwide?

3G Electric supplies the 3M Ear Plug Dispenser Refill 391-1004 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 3M hearing protection refill.

How to install the 3M Ear Plug Dispenser Refill 391-1004?

To install the 3M Ear Plug Dispenser Refill 391-1004, open the dispenser, remove the empty cartridge, and insert the new refill until it clicks into place. Follow the manufacturer's instructions for proper alignment. Always verify the dispenser is securely closed before use.

Used in

Common applications for 3M
Industrial process water filtration — 3M solid polypropylene cartridge (e.g., RT10Q16G20NN, 7 micron) for sediment removal in manufacturing lines.
Cooling tower pre-treatment — 3M string-wound cartridge (e.g., RT39B16G20NN, 30 micron) to protect heat exchangers from particulate fouling.
Food and beverage rinse water — 3M 1 micron solid cartridge (RT10Y16G20NN) for fine filtration to meet quality standards.
Chemical processing feed water — 3M 27 micron solid cartridge (RT30L16G20NN) for high-flow sediment reduction upstream of sensitive equipment.
Wastewater effluent polishing — 3M 2 micron string-wound cartridge (RT09Y16G20NN) for final particulate removal before discharge or reuse.
Pharmaceutical utility water — 3M 0 micron string-wound cartridge (RT09L16G20NN) for sub-micron filtration in critical systems.

3M Products

3G Electric supplies 3M earplug dispenser refills. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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