E-A-R™ UltraFit™ 27 Earplugs 340-8001, Uncorded

Model 70071515764 · 3M

Overview

The 3M™ E-A-R™ UltraFit™ corded earplugs features a proprietary, premolded, triple-flange design that fits comfortably in most earcanals. Ergonomic pistol grip for an easier fit.

Key features

Ergonomic pistol grip for an easier fit
Triple-flange provides proven protection without rolling or touching plug during insertion.
Washable and reusable.
Noise Reduction Rating (NRR)*: 27 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-018 · Rev. 01 · 13-Oct-2026

E-A-R™ UltraFit™ 27 Earplugs 340-8001, Uncorded – technical data

Technical specifications

Brand	3M
Model	70071515764
Banded	No
Case Quantity	400
Cord Type	None
Corded	No
Dielectric	No
Earplug Colour	Yellow
Earplug Material	Elastomeric Polymer
Earplug Shape	Flanged
Earplug Size	Regular
Electrically Insulated	Yes
Hearing Protection Style	Cordless
Hearing Protection Type	Eartips
Insertion Style	No Roll
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
Roll-Down Required	No
Shape	Multi-flange

PRODUCT DATASHEETDoc. SSLS/DS/HR-018 · Rev. 01 · 13-Oct-2026

E-A-R™ UltraFit™ 27 Earplugs 340-8001, Uncorded – technical data, continued

Technical specifications

Slow-Recovery Foam	No

Ordering information

Brand	3M
Model	70071515764

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.