E-A-R™ UltraFit™ Plus Earplugs 340-6004, Corded, Poly Bag

Model 70071521184 · 3M

Overview

The 3M™ E-A-R™ UltraFit Plus™ corded earplugs features a proprietary, premolded, triple-flange design that fits comfortably in most earcanals. Quick and easy fitting with paddle-style stems.

Key features

Quick and easy fitting with paddle-style stems
Poly bag keeps each pair of earplugs available or accessible for re-use.
Single size fits comfortably in most earcanals.
Proprietary, premolded, triple-flange earplug design inserts easily.
Soft polymer is washable and reusable.
Noise Reduction Rating (NRR)*: 26 dB. CSA Class AL.

Applications

Engineering and fabrication shops
Power plants and compressor rooms
Mining and quarrying
Textile and printing

Standards and certification

Supplier: ISO 9001:2015 certified

PRODUCT DATASHEETDoc. SSLS/DS/HR-021 · Rev. 01 · 13-Oct-2026

E-A-R™ UltraFit™ Plus Earplugs 340-6004, Corded, Poly Bag – technical data

Technical specifications

Brand	3M
Model	70071521184
Banded	No
Case Quantity	400
Cord Colour	Yellow
Cord Type	Vinyl
Corded	Yes
Dielectric	No
Earplug Colour	Yellow
Earplug Material	Elastomeric Polymer
Earplug Shape	Flanged
Earplug Size	Regular
Electrically Insulated	Yes
Hearing Protection Style	Corded
Hearing Protection Type	Eartips
Insertion Style	No Roll
Material	ABS/Elastomeric Polymer
Metal Detectable	No
Moisture Resistant	Yes
Product Colour	Yellow
Product Series	E-A-R UltraFit
Product Type	Earplugs
Recommended Application	Assembly, Blasting, Cleaning, Demolition, Electrical, Facility Maintenance, Grinding, Machine Operation, Painting, Sanding, Welding
Recommended Industry	Automotive, Construction, General Manufacturing, Manufacturing, Metal Fabrication, Military Maintenance, Mining, Oil & Gas, Pharmaceutical, Repair & Operation (MO), Transportation
Reusable	Yes

PRODUCT DATASHEETDoc. SSLS/DS/HR-021 · Rev. 01 · 13-Oct-2026

E-A-R™ UltraFit™ Plus Earplugs 340-6004, Corded, Poly Bag – technical data, continued

Technical specifications

Roll-Down Required	No
Shape	Multi-flange
Slow-Recovery Foam	No

Ordering information

Brand	3M
Model	70071521184

Inspection and care

Insert plugs with clean hands. Replace disposable plugs after each use. Inspect ear muff cushions for cracks and replace the hygiene kit at the interval the manufacturer gives.

Storage

Store in a cool, dry place away from direct sunlight, heat and chemicals.

Data given in good faith from manufacturer information and subject to change without notice. Select PPE based on a site risk assessment. Scan the code for the product page.