User Guide

3M
™
Ear Muffs
General Purpose Ear Muffs 1435
Roomy, durable ear cups provide
reliable protection for everyday use.
The lightweight design and flexible
headband provide easy fit and comfort
for worker hearing protection.
NRR 23 dB*
Padded Ear Muffs 1440
These ear muffs feature multi-position
ear cups, contoured ear cushions, a soft
padded headband for extra comfort, and
a sliding tension adjustment system to
help maintain a good fit. NRR 24 dB*
Hardhat Mounted 1450
Can be attached to a wide variety
of hardhats without any additional
adapters. Combines comfort and
convenience. NRR 23 dB*
Low Profile Ear Muffs 1425
Industrial Pack/R-1425-ES Retail
Pack
Lightweight, economical ear muffs
designed for comfort and durability in
most work environments. NRR 22 dB*
Three Position Ear Muffs 1427
Industrial Pack/R-1427-ES Retail
Pack
A combination of outstanding
performance and remarkable versatility.
The rotating headband and adjustable
head strap make it easy to obtain a
secure fit in any of three different positions. Recommended for
high noise situations (up to 100 dBA TWA). NRR 27 dB* when
headband is worn over or behind the head and NRR 26 dB*
when headband is worn under the chin.
3M
™
Reusable Ear Plugs
Reusable Ear Plugs 1260
Comfortable and dependable
hearing protection. Perfect for
everyday use in a wide variety
of industrial settings. Pre-
molded for easy insertion into
the ear without rolling. Noise
Reduction Rating (NRR) 24 dB*
Corded Reusable Ear
Plugs 1270
Corded Reusable Ear Plugs
with Carrying Case 1271
Reusable ear plugs connected
to a soft, braided cord so
workers can remove and
reinsert ear plugs repeatedly during the work day. Also
available with storage case (1271) that helps keep plugs
clean and protected. NRR 24 dB*
3M
™
Banded Hearing Protector
Banded Hearing
Protector 1310
Replacement Pads 1311
Great option for workers who
need intermittent hearing
protection when going in and
out of loud work
environments. NRR 21 dB* when band is worn behind
the head and 20 dB* when band is worn under the chin.
3M
™
Hearing Protection
29
WARNING ! See warnings on inside back cover.
www.3m.com/OccSafety/WorkerSafety
* Research suggests that the Noise Reduction Rating (NRR) may overestimate the hearing protection by hearing protectors during typical use.
3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided.