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Style No. 4RT
Description
(Canal) A hollow attenuator with removal filament Attenuation
Not rated Applications
Designed primarily for motorcyclists to wear under a helmet to help eliminate wind noise Available materials
Formula II, Formula II Clear, Rx, Superflex, Neon Colors, Vinyl Marble Options/accessories
Colors, initials
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Style No. 34
Description
(Thick shell) A custom-fit earpiece designed for ER4™ headphones Attenuation
Not rated Applications
For use with Etymotic Research™ ER4 series headphone Available materials
Formula
II, Formula II Clear, Rx, Superflex, Neon Colors, Vinyl Marble, W-1,
W-1 DisappEar, OtoBlast, OtoBlast DisappEar, Cat Eyes Options/accessories
Colors, sound bore, Headroom Bore; designed in conjunction with Headroom Amplifiers
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Style No. 39
Description
(Thick shell) A custom earpiece for the North® Sonic Valve Attenuation
NRR 6 dB (valve open) Applications
For shooting and other high-level impact noise Available materials
Formula II, Formula II Clear, Rx, Superflex, Neon Colors, Vinyl Marble Options/accessories
Cords, colors, initials
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Style No. 40
Description
(Thick shell) Solid full-thickness, maxi-mum in-the-ear protection/Attenuation
Attenuation
NRR 24-27 dB, average 36 dB Applications
Shooting enthusiasts, heavy equipment operators, construction workers, etc. Available materials
Acrylic,
Acrylic DisappEar, Formula II, Formula II Clear, Rx, Superflex, Neon
Colors, Vinyl Marble, Mediflex, Frosted Flex, W-1, W-1 DisappEar,
OtoBlast, OtoBlast DisappEar, Cat Eyes, AquaNot Options/accessories
Colors,
DesignEars, glitter, eyelets, cords, removal handles, initials.
Available as shell 40-6, half-shell 40-8, canal 40-4 (sleep plug)
Note: If removal handles are desired on Style No. 40, they must be requested on the order form.
Note: Second-bend, open-mouth, bite-block impressions are recommended for all hearing protection devices.
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Style No. 42
Description
(Thick shell) Full-thickness filtered
attenuator with two Knowles® 680 ohm filters Attenuation
NRR 10 dB, average 20 dB Applications
Low-level noise exposure Available materials
Formula
II, Formula II Clear, Rx, Superflex, Neon Colors, Vinyl Marble,
Mediflex, W-1, W-1 DisappEar, OtoBlast, OtoBlast DisappEar, Cat Eyes,
AquaNot Options/accessories
Colors, DesignEars, glitter, eyelets, cords, handles, initials, Available as shell 42-6, half-shell 42-8 or canal 42-4
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Style No. 47
Description
(Thick half shell) Filtered attenuator
allows basic verbal communication while lowering overall sound levels Attenuation
NRR 18 dB, average 30 dB Applications
Heavy equipment operators, motor sports enthusiasts, construction workers, dental hygienists, shooting enthusiasts, etc. Available materials
Formula
II, Formula II Clear, Rx, Superflex, Neon Colors, Vinyl Marble,
Mediflex, Frosted Flex, W-1, W-1 DisappEar, OtoBlast, OtoBlast
DisappEar, Cat Eyes, AquaNot Options/accessories
Colors, DesignEars, glitter, initials, cords, handles, Available as full 47-40, shell 47-6 or canal 47-4
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Style No. 49
Description
(Canal) Earpiece provides true high fidelity attenuation using Etymotic Research's ER-9, ER-15 or ER-25 filters Attenuation
9 dB ER-9 filter, 15 dB ER-15 filter, 25 dB ER-25 filter, +25 dB plugged adapter Applications
Musicians,
concert attendees, music teachers, DJs, flight attendants, bartenders,
waitresses, dentists and dental workers. The best choice for anyone who
needs to hear accurately in high noise environments Available materials
Formula II, Formula II Clear, Neon Colors, Vinyl Marble, Mediflex, Frosted Flex, OtoBlast, OtoBlast DisappEar, Cat Eyes Options/accessories
ER-9,
ER-15, ER-25, and ER-15 SP sport filters (orange) and plugged adapters.
Filter colors available: clear, beige, brown, red, and blue. Adapter
for ER6 Isolator™ and ER6i Isolator™ headphones
Note: Impression must go beyond the second bend for proper acoustic seal and bite-block impression technique recommended.
Countersunk filter option available in Mediflex, Frosted Flex or Oto-Blast earpiece materials only.
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Style No. 70
Description
(Thick
shell) Swim plug with a sealed membrane spanning sound bore, designed
to keep cold water and cold air out of the ear canal, allows basic
conversation while in the ear Attenuation
Minimal Applications
Swimming, surfing, skiing, biking, jogging Available materials
AquaNot/Swyrl Options/accessories
White,
black, red, blue, yellow, green, forest green, orange, purple, pink,
gray, beige, brown solid colors, Swyrl (up to three mixed colors),
cords, bollo cord
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Style No. AQ
Description
(Thick
shell) Swim plug, unsurpassed for comfort and seal; supplied with left
and right side identification and finger grips, available in twelve
bright colors Attenuation
NRR 27 dB, average 39 dB Applications
For use while surface swimming or showering to prevent moisture from entering the ear canal; also a superb sound attenuator Available materials
AquaNot/Swyrl Options/accessories
White,
black, red, blue, yellow, green, forest green, orange, purple, pink,
gray, beige, brown solid colors, Swyrl (up to three mixed colors), cords
Note: Swim molds of any nature should not be used while scuba diving or while breath-hold diving below six feet.
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