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Unique combination of liquid & foam
Reduces moisture & heat build-up
Great comfort & wearability
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PRODUCT DESCRIPTION
In your catalog
TECHNICAL SPECS
Brand : 3M
Protection Type : Noise isolating
Design Type : Over the head
Single Number Rating (SNR) : 31 dB
Metal Free : No
Product Model : H520A
Certifications & Standards : EN 352-1
Size : Universal fit
Colour : Green
Low Frequency Attenuation (L) : 20 dB
High Frequency Attenuation (H) : 34 dB
Material : Plastic, Stainless steel
Medium Frequency Attenuation (M) : 29 dB
Weight : 215 g
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