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Hearing Protection: Ear-Plugs and Ear Muffs

North 281601 Com-Fit AB Reusable Uncorded Silicone Earplugs in Carrying Case (1 pair per case, 20 pair per box)

North 281601 Com-Fit AB Reusable Uncorded Silicone Earplugs in Carrying Case (1 pair per case, 20 pair per box)
WSAP800133

North 281611 Com-Fit AB Reusable Corded Silicone Earplugs in Carrying Case (1 pair per case, 20 pair per box)

North 281611 Com-Fit AB Reusable Corded Silicone Earplugs in Carrying Case (1 pair per case, 20 pair per box)
WSAP800134

ERB Safety ERB-04V Vial w/Reusable Uncorded Ear Plugs (NRR 25dB) (50 pair per dispenser box)

ERB Safety ERB-04V Vial w/Reusable Uncorded Ear Plugs (NRR 25dB) (50 pair per dispenser box)
WSAI800259

ERB Safety ERB-04 Reusable Uncorded Ear Plugs (NRR 25dB) (100 pair per dispenser box)

ERB Safety ERB-04 Reusable Uncorded Ear Plugs (NRR 25dB) (100 pair per dispenser box)
WSAI800257

ERB Safety ERB-04C Reusable Corded Ear Plugs (NRR 25dB) (100 pair per dispenser box)

ERB Safety ERB-04C Reusable Corded Ear Plugs (NRR 25dB) (100 pair per dispenser box)
WSAI800258

North 281602 Com-Fit AB Reusable Uncorded Silicone Earplugs in Poly Bag (1 pair per bag, 100 pair per box)

North 281602 Com-Fit AB Reusable Uncorded Silicone Earplugs in Poly Bag (1 pair per bag, 100 pair per box)
WSAP800135

North 281612 Com-Fit AB Reusable Corded Silicone Earplugs in Poly Bag (1 pair per bag, 100 pair per box)

North 281612 Com-Fit AB Reusable Corded Silicone Earplugs in Poly Bag (1 pair per bag, 100 pair per box)
WSAP800136

ERB Safety 239 Foldable Ear Muffs (NRR 23 dB) (12 per carton)

ERB Safety 239 Foldable Ear Muffs (NRR 23 dB) (12 per carton)
WSAI800261

ERB Safety 201 Economy Ear Muffs (NRR 20dB) (12 per carton)

ERB Safety 201 Economy Ear Muffs (NRR 20dB) (12 per carton)
WSAI800260

ERB Safety 105 Deluxe Ear Muffs (NRR 26dB) (12 per carton)

ERB Safety 105 Deluxe Ear Muffs (NRR 26dB) (12 per carton)
WSAI800262

3M Peltor Tactical MT7H79A Basic Headset

3M Peltor Tactical MT7H79A Basic Headset
WSAS601317

3M Peltor Tactical MT53H7A4610 PowerCom Plus Headset

3M Peltor Tactical MT53H7A4610 PowerCom Plus Headset
WSAS601322

3M Peltor Tactical MT17H682BB-19 Comtac A-C-H Headset - Compatible with ACH Helmets

3M Peltor Tactical MT17H682BB-19 Comtac A-C-H Headset - Compatible with ACH Helmets
WSAS601319

3M Peltor Tactical 88044-00000 Sidewinder Headset

3M Peltor Tactical 88044-00000 Sidewinder Headset
WSAS601321

3M Peltor Tactical 88010-00000 Comtac II Headset

3M Peltor Tactical 88010-00000 Comtac II Headset
WSAS601320

North Safety Products 280005 DeciDamp2 Uncorded Foam Earplugs - NRR 29 dB (1 pair per bag, 200 bags per box) (10 per case)

North Safety Products 280005 DeciDamp2 Uncorded Foam Earplugs - NRR 29 dB (1 pair per bag, 200 bags per box) (10 per case)
WSAP800129

North Safety Products 280006 DeciDamp2 Corded Foam Earplugs - NRR 29 dB (1 pair per bag, 100 bags per box) (10 per case)

North Safety Products 280006 DeciDamp2 Corded Foam Earplugs - NRR 29 dB (1 pair per bag, 100 bags per box) (10 per case)
WSAP800130

ERB Safety ERB-03 Disposable Foam Uncorded Ear Plugs (NRR 32dB) (200 pair per dispenser box)

ERB Safety ERB-03 Disposable Foam Uncorded Ear Plugs (NRR 32dB) (200 pair per dispenser box)
WSAI800254

North Safety Products 280205 DeciGuard AB Uncorded Foam Earplugs - NRR 29 dB (1 pair per bag, 200 bags per box) (10 per case)

North Safety Products 280205 DeciGuard AB Uncorded Foam Earplugs - NRR 29 dB (1 pair per bag, 200 bags per box) (10 per case)
WSAP800131

North Safety Products 280250 DeciGuard AB Corded Foam Earplugs - NRR 29 dB (1 pair per bag, 100 bags per box) (10 per case)

North Safety Products 280250 DeciGuard AB Corded Foam Earplugs - NRR 29 dB (1 pair per bag, 100 bags per box) (10 per case)
WSAP800132

ERB Safety ERB-03V Vial w/Disposable Foam Uncorded Ear Plugs (NRR 32dB) (80 pair per dispenser box)

ERB Safety ERB-03V Vial w/Disposable Foam Uncorded Ear Plugs (NRR 32dB) (80 pair per dispenser box)
WSAI800256

ERB Safety ERB-03C Disposable Foam Corded Ear Plugs (NRR 32dB) (200 pair per dispenser box)

ERB Safety ERB-03C Disposable Foam Corded Ear Plugs (NRR 32dB) (200 pair per dispenser box)
WSAI800255

Hearing Protection and Noise Reduction Ratings

American Work Safety provides disposable and reusable earplugs, rated in Noise Reduction Rating or NRR. An NRR of 20 dB, for example, would reduce the sound of a typical chainsaw (around 100 dB) to approximately 80 dB (the volume of a ringing telephone) under ideal circumstances.

OSHA recommends that hearing protection be worn under any circumstances where you are exposed to 100 dB or more, and recommends a maximum expoure time of 8 hours for 90 dB, 4 hours for 95 dB, 2 hours for 100 dB, 1 hour for 105 dB, 30 minutes for 110 dB, and 15 minutes for 115 dB.

Each 3 dB represents an effective doubling in sound pressure (or protection); using NRR 20 dB earplugs with NRR 20 dB earmuffs would provide a total effective NRR of 23 dB.