Bilsom 303 / 304 - Howard Leight

NEW TECHNOLOGY
12
Hearing safety tools for the most
demanding work environments.
Every day, workers count on Howard Leight by Sperian, using Bilsom technology products
to block noise and manage sound in some of the world’s most acoustically challenging
environments. Bilsom products meet these demands through a combination of advanced
technology, performance and comfort features that put people first.
Find It Fast
Need to compare products or find a specific feature? Our FastSpecs make it easy.
1. New Designs
3. Single Number Rating (SNR)
This rating system lets you
compare the level of protection
offered by various products.
* L3HV
SNR 34
AIR FLOW CONTROL
2. Wearing Position
Over-head
Designed for
traditional overthe-head
wear.
Foldable
Convenient
folding headband
for easy storage.
Multiple position
Multiple options for
wear: over-the-head,
behind-the-neck or
under-the-chin.
Neckband
Behind-the-head
design for convenient
use with other PPE.
Helmet-mounted
Snap mounts
for use on hard
hats.
Patented high performance technology Bilsom’s patented Air Flow Control technology
delivers optimal attenuation across all frequencies, without increasing earcup size or
weight. As sound travels through the air in the earcup, a patented baseplate chamber and
high-tech nonwoven layer manage the flow of air inside the earmuff to control how sound
reaches the ear. The result is better, more consistent overall attenuation for almost all
industrial noise environments. Air Flow Control is a standard feature on all Leightning,
Thunder and Viking series earmuffs.