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About
Details
No. K30. Read important cautions and EPA noise reduction compliance information on card & in case prior to use. Noise reduction rating: 33 decibels (when used as directed). The range of noise reduction ratings for existing hearing protectors is approximately 0 to 30 (higher numbers denote greater effectiveness). Sound Attenuation Data (ANSI Standard S3.19-1974) NRR 33. Frequency (Hz): 125, Hearing Protector Attenuation in dB: 33.1. Standard Deviation: 2.7. Frequency (Hz): 250, Hearing Protector Attenuation in dB: 36.3. Standard Deviation: 1.8. Frequency (Hz): 500, Hearing Protector Attenuation in dB: 36.8. Standard Deviation: 2.1. Frequency (Hz): 1000, Hearing Protector Attenuation in dB: 38.4. Standard Deviation: 1.7. Frequency (Hz): 2000, Hearing Protector Attenuation in dB: 38.7. Standard Deviation: 2.1. Frequency (Hz): 3150, Hearing Protector Attenuation in dB: 44.1. Standard Deviation: 2.3. Frequency (Hz): 4000, Hearing Protector Attenuation in dB: 45.9. Standard Deviation: 2.2. Frequency (Hz): 6300, Hearing Protector Attenuation in dB: 45.4. Standard Deviation: 2.2. Frequency (Hz): 8000, Hearing Protector Attenuation in dB: 46.0. Standard Deviation: 2.4. The attenuation values were obtained under laboratory conditions and are for comparison purposes only. The amount of protection afforded may differ depending on how the protectors are fitted and worn. The attenuation values in actual use may be lower. Made in USA.
Directions
1. Roll and compress into smallest diameter possible. 2. Insert tapered end quickly into ear canal and hold until fully expanded. 3. For easier insertion, reach behind head and pull top of ear.
Warnings
Scuba or other divers should not use. Not recommended for loud firearms. In case of airplane use, remove prior to descent. Use by children should be closely supervised by adults. Keep plugs and case away from infants.
About
Details
No. K30. Read important cautions and EPA noise reduction compliance information on card & in case prior to use. Noise reduction rating: 33 decibels (when used as directed). The range of noise reduction ratings for existing hearing protectors is approximately 0 to 30 (higher numbers denote greater effectiveness). Sound Attenuation Data (ANSI Standard S3.19-1974) NRR 33. Frequency (Hz): 125, Hearing Protector Attenuation in dB: 33.1. Standard Deviation: 2.7. Frequency (Hz): 250, Hearing Protector Attenuation in dB: 36.3. Standard Deviation: 1.8. Frequency (Hz): 500, Hearing Protector Attenuation in dB: 36.8. Standard Deviation: 2.1. Frequency (Hz): 1000, Hearing Protector Attenuation in dB: 38.4. Standard Deviation: 1.7. Frequency (Hz): 2000, Hearing Protector Attenuation in dB: 38.7. Standard Deviation: 2.1. Frequency (Hz): 3150, Hearing Protector Attenuation in dB: 44.1. Standard Deviation: 2.3. Frequency (Hz): 4000, Hearing Protector Attenuation in dB: 45.9. Standard Deviation: 2.2. Frequency (Hz): 6300, Hearing Protector Attenuation in dB: 45.4. Standard Deviation: 2.2. Frequency (Hz): 8000, Hearing Protector Attenuation in dB: 46.0. Standard Deviation: 2.4. The attenuation values were obtained under laboratory conditions and are for comparison purposes only. The amount of protection afforded may differ depending on how the protectors are fitted and worn. The attenuation values in actual use may be lower. Made in USA.
Directions
1. Roll and compress into smallest diameter possible. 2. Insert tapered end quickly into ear canal and hold until fully expanded. 3. For easier insertion, reach behind head and pull top of ear.
Warnings
Scuba or other divers should not use. Not recommended for loud firearms. In case of airplane use, remove prior to descent. Use by children should be closely supervised by adults. Keep plugs and case away from infants.
Common questions
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Learn more about pickup orders here.
- Delivery fees start at $3.99 for same-day orders over $35. Fees vary for one-hour deliveries, club store deliveries, and deliveries under $35.
- Service fees vary and are subject to change based on factors like location and the number and types of items in your cart. Orders containing alcohol have a separate service fee.
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Instacart pickup cost:
- There may be a "pickup fee" (equivalent to a delivery fee for pickup orders) on your pick up order that is typically $1.99 for non-Instacart+ members. Instacart+ membership waives this like it would a delivery fee.
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Learn more about Instacart pricing here.
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- Find Best Match: By default, your shopper will use their best judgement to pick a replacement for your item.
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- Don't Replace: For items you'd rather not replace, choose "Don't replace" to get a refund if the item is out of stock.
Learn more about instructions for specific items or replacements here.
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