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Home β€Ί Food-Safe & Metal-Detectable Ear Plugs β€Ί Howard Leight LT-30 Laser Trak Metal Detectable...

Howard Leight LT-30 Laser Trak Metal Detectable Earplugs

Howard Leight by Honeywell SKU: LT-30 Ear Plugs GTIN: 0033552000020
$49.75
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EDITORIAL REVIEW β€” Howard Leight LT-30 Laser Trak Metal Detectable Earplugs Assessed on the standards the product is actually certified to and on how the format fits a working shift, by Steven Eaton, WC Safety editor...

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food safe hearing protection Howard Leight LT-30 Laser Trak Metal Detectable metal detectable NRR 32
EDITORIAL REVIEW β€” Howard Leight LT-30 Laser Trak Metal Detectable Earplugs

Assessed on the standards the product is actually certified to and on how the format fits a working shift, by Steven Eaton, WC Safety editor.

Disclosures & editorial standards
WC Safety participates in the Amazon Services LLC Associates Program. Outbound Amazon links are affiliate links. We accept no manufacturer payment, sponsorship, or product samples. This content is not medical, legal, or regulatory advice. Safety equipment selection is governed by applicable OSHA standards and your facility's safety program.

howard leight lt-30 laser trak metal detectable earplugs β€” what the listing actually specifies

Howard Leight LT-30 Laser Trak Orange and Blue Detectable Foam Corded Earplugs, OSFA, Blue, One Size Fits All (Pack of 100)

The Howard Leight LT-30 Laser Trak Metal Detectable (SKU: LT-30) is a metal detectable earplug rated NRR 32 dB. Designed specifically for food processing, pharmaceutical manufacturing, and industrial environments where product contamination is a critical concern, these earplugs contain detectable components that can be identified by metal detection systems and X-ray equipment if a plug is accidentally introduced into a production line. They provide maximum attenuation under ANSI S3.19. Browse our full Metal Detectable Ear Plugs collection to compare options, or check current Amazon pricing: Howard Leight LT-30 Laser Trak Metal Detectable on Amazon.

Read the full Howard Leight LT-30 Laser Trak Metal Detectable Earplugs review β†’

Quick Facts β€” Howard Leight LT-30 Laser Trak Metal Detectable
  • Brand / Model: Howard Leight β€” LT-30 Laser Trak Metal Detectable (LT-30)
  • Noise Reduction Rating: NRR 32 dB (ANSI S3.19)
  • Type: Metal detectable β€” contains ferrous or barium sulfate elements detectable by standard food-industry metal detection and X-ray systems
  • Application: Food processing, pharmaceutical, beverage, meat packing, and other contamination-sensitive manufacturing
  • Standard: ANSI S3.19 certified; compliant with OSHA 29 CFR 1910.95 hearing conservation
  • Estimated real-world attenuation: ~13 dB (OSHA derating: NRR 32 βˆ’ 7 Γ· 2); suitable for up to ~103 dBA TWA
  • SKU: LT-30 | ASIN: B075D7Z85G

Why Metal Detectable Earplugs?

Standard foam or silicone earplugs are invisible to metal detectors and X-ray systems used in food production lines. If a plug falls into product β€” during an inspection or a shift change β€” it can contaminate an entire batch. Metal detectable earplugs are manufactured with ferrous particles, barium sulfate, or other detectable materials embedded in the foam or silicone so that any piece, including fragments from a torn or cut plug, registers on detection equipment. Many food safety programs (BRC, SQF, FSSC 22000, IFS) mandate the use of detectable personal protective equipment in food contact areas. The Howard Leight LT-30 Laser Trak Metal Detectable meets these requirements while providing NRR 32 dB hearing protection for workers in noisy processing environments. See our full Metal Detectable Ear Plugs collection corded ear plugs disposable ear plugs full hearing protection range ear muffs electronic ear muffs high visibility ear plugs 3M E-A-Rsoft Metal Detectable NRR 32 for more options.

Food Safety Standards & Compliance

Metal detectable PPE requirements are driven by HACCP (Hazard Analysis and Critical Control Points) principles and food safety certification schemes. Under a HACCP plan, physical contamination from foreign bodies β€” including ear protection β€” is a recognized hazard. Using detectable earplugs ensures that if contamination occurs, it can be caught at a downstream CCP (Critical Control Point) before the product ships. Color-coding (typically blue for food environments) is a complementary visual-detection method, but metal detection is the primary technical control. The Howard Leight LT-30 Laser Trak Metal Detectable is blue or a similarly distinct color that contrasts with most food products, supporting both visual and electronic detection.

FAQ β€” Howard Leight LT-30 Laser Trak Metal Detectable

What is the NRR of the Howard Leight LT-30 Laser Trak Metal Detectable?

The Howard Leight LT-30 Laser Trak Metal Detectable has a Noise Reduction Rating of NRR 32 dB per ANSI S3.19. Under OSHA derating (subtract 7, divide by 2), the estimated real-world attenuation is approximately 13 dB. NIOSH recommends a 50% derating, yielding approximately 16 dB actual reduction. At NRR 32, these earplugs are appropriate for environments up to approximately 103 dBA TWA without additional hearing protection.

How do metal detectable earplugs work?

Metal detectable earplugs incorporate ferrous metal particles or barium sulfate compounds into the earplug material. These embedded elements are detected by standard in-line metal detectors (typically operating at 100–800 kHz) used in food processing facilities. Even small fragments of a torn plug generate a detectable signal. X-ray detection systems can also identify barium sulfate-loaded plugs. This dual detectability ensures that contamination is flagged before product reaches consumers, protecting both the public and your facility's certification status.

Are the Howard Leight LT-30 Laser Trak Metal Detectable reusable or disposable?

Check the product listing for specific usage classification. Disposable metal detectable earplugs (typically foam) are single-use or intended for limited reuse, and should be replaced when soiled or when the foam no longer returns to its original shape after rolling. Reusable models (typically silicone or triple-flange) can be cleaned with mild soap and water and reused for multiple shifts. Many food facilities prefer disposable plugs to minimize hygiene concerns from worn, soiled reusable plugs entering the production environment.

What food safety certifications require metal detectable earplugs?

Metal detectable PPE is typically required under BRC Global Standard for Food Safety (Issue 9), SQF Code Edition 9, FSSC 22000, and IFS Food certification audits. HACCP programs also commonly specify detectable PPE in food-contact and open-product zones. The specific requirement depends on your facility's HACCP hazard analysis and which CCP (Critical Control Point) covers physical contamination. Your food safety auditor or SQF/BRC practitioner can confirm the detectable PPE specification required for your certification.

Are the Howard Leight LT-30 Laser Trak Metal Detectable OSHA compliant for hearing conservation?

Yes. The Howard Leight LT-30 Laser Trak Metal Detectable (NRR 32) meets ANSI S3.19 and is an accepted hearing protector under OSHA 29 CFR 1910.95. Employers must verify that the selected protector's derated NRR reduces employee noise exposure to below 90 dBA (or 85 dBA for programs following the NIOSH action level). At NRR 32 with OSHA derating (approximately 13 dB effective reduction), these earplugs are appropriate for environments up to approximately 103 dBA TWA.

Why are metal detectable earplugs usually blue?

Blue is the standard color for metal detectable PPE in food processing because blue food coloring does not occur naturally in most foods or food ingredients β€” a blue fragment is visually conspicuous on a production line. Food safety standards and GMP guidelines often specify blue as the preferred color for detectable PPE (gloves, ear plugs, plasters) in food contact areas. The Howard Leight LT-30 Laser Trak Metal Detectable is designed with this food-industry color convention in mind, providing both visual and electronic detectability.

Vendor: Howard Leight by Honeywell | Model: LT-30 | ASIN: B075D7Z85G | NRR: 32 dB | Type: Metal Detectable

⭐ Rated 5β˜… on Amazon across 9 verified ratings (Amazon.com, Jun 2026)

If the decision is still open, the comparisons in 10 year sealed vs replaceable battery smoke alarms, amber vs clear lens safety glasses, best cooling gear, best disposable ear plugs, best disposable earplugs for sleeping narrow it down.

Alternatives at the same protection level are listed in 3m ear muffs, banded ear plugs, bluetooth radio ear muffs.

Written by Steven Eaton, WC Safety editor. WC Safety is an independent PPE review site, holds no inventory and sells nothing directly; Amazon links are affiliate links that earn a commission at no cost to you and never affect the assessment. This page is not medical, legal or regulatory advice.

These cover the questions this page does not: best ear muffs for construction, best ear plugs for construction, best earplug dispensers 2026, best electronic ear muffs for shooting.

To see what else meets the same specification, start with clear lens safety glasses, construction hearing protection.

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Brand / Vendor
Howard Leight by Honeywell
Model / SKU
LT-30
Product Type
Ear Plugs
Price
$49.75 (Amazon)
Availability
Check current availability on Amazon
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Product information is compiled from manufacturer specifications, published standards information, compatibility data, and other cited sources.
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Howard Leight LT-30 Laser Trak Metal Detectable Earplugs