Moldex 6687 Glide Camo Foam Earplug Jar NRR 30 50 Pairs Review (2026)

The Only Foam Earplug You Can Insert With Dirty Gloves

Most foam earplugs demand clean, dry hands and a two-minute rolling ritual before every insertion. On a machining floor, a lumber yard, or a demolition site, that is rarely an option. The Moldex 6687 Glide Camo eliminates that bottleneck with a twist-in design that seats the plug without compression — making it one of the few NRR 30 disposable earplugs built for the way industrial workers actually operate.

Moldex 6687 Glide Camo Foam Earplug Jar NRR 30 Review (2026)

Disposable foam earplugs are the backbone of most OSHA Hearing Conservation Programs. They are cheap enough to replace daily, effective enough to cover the vast majority of industrial noise exposures, and small enough to keep a jar within arm’s reach at every workstation. The question is never whether to use foam earplugs — it is which one survives real conditions without becoming a compliance liability.

Moldex built the Glide series around a single insight: workers skip hearing protection when insertion is inconvenient. The twist-in mechanism addresses that directly. Instead of requiring users to roll the plug down to a narrow cylinder with clean fingertips and then race to insert it before the foam expands, the Glide seats itself with a continuous twisting motion — gloves, grease, and all. For safety managers trying to drive consistent wear rates, that difference matters more than fractions of a decibel.

This review covers the Moldex 6687 Glide Camo Uncorded Foam Earplug Jar (50 pairs). All attenuation figures are drawn from ANSI S3.19-1974 test data. All regulatory references reflect OSHA 29 CFR 1910.95. No performance claims are fabricated.

Pros & Cons

Who Should Buy the Moldex 6687 Glide Camo

The 6687 is the right earplug for safety managers and procurement leads who need maximum NRR in a disposable format that workers will actually use consistently. It is equally well-suited to individual industrial workers in PPE-mandated environments where gloves are worn throughout the shift. The camo colorway resonates specifically with forestry, hunting, shooting sports, and military/LE training contexts where standard yellow or orange plugs stand out visually.

Workers with latex sensitivities who have struggled to find a high-attenuation disposable earplug should prioritize this model. The latex-free polyurethane formulation is confirmed in Moldex product documentation. Anyone managing a formal hearing conservation program under OSHA 29 CFR 1910.95 will find the NRR 30 rating gives them substantial compliance margin across most industrial noise profiles.

What the Moldex 6687 Does Well

Twist-In Insertion Removes the Biggest Barrier to Consistent Use

Standard foam earplug protocols require rolling the plug between clean fingers until it is thin enough to slide into the ear canal before the foam re-expands. In practice, that protocol is skipped constantly on shop floors. The Moldex Glide system requires only grasping the plug, pulling the outer ear up and back to straighten the canal, and inserting with a slow, continuous twisting motion. The tapered geometry guides the plug to proper depth without compression. Workers wearing nitrile or leather gloves can complete the process in one fluid motion — the same technique every time, regardless of hand cleanliness.

NRR 30 dB Covers Nearly All Industrial Noise Profiles

Under ANSI S3.19-1974, the Moldex 6687 achieves an NRR of 30 dB. OSHA recommends applying a 50% derating to field use, yielding an effective attenuation of approximately 11.5 dB when calculated correctly: (NRR − 7) × 0.5. At that effective rate, an 8-hour TWA of 101.5 dBA is reduced to an exposure equivalent of 90 dBA — the OSHA permissible exposure limit. For the full explanation of NRR, derating, and exposure math, see our NRR Hearing Protection Guide. Most manufacturing, woodworking, construction, and stamping environments fall within the range this plug can adequately address.

Latex-Free and PVC-Free Construction

Allergic contact dermatitis from latex is a documented occupational health concern. The Glide Camo’s polyurethane foam contains neither latex nor PVC, making it appropriate for workers with documented sensitivities and for employers maintaining latex-reduced or latex-free facilities. This is an often-overlooked differentiator in the disposable earplug category.

Jar Format Supports Point-of-Use Compliance

The 50-pair jar is designed for placement at dispense points throughout a facility — machine entrances, toolroom counters, time-clock stations. Research on hearing conservation programs consistently shows that proximity to PPE at the moment of need is a stronger predictor of use than training alone. The jar keeps plugs visible, accessible, and countable for inventory tracking.

Camo Print Aids Visual Compliance Auditing

Supervisors conducting floor walk-throughs can confirm earplug presence at a glance when plugs are a distinct, recognizable color or pattern. The camo print distinguishes Glide Camo wearers from adjacent workers using different earplug models, which simplifies compliance spot-checks in mixed-product facilities.

Where the Moldex 6687 Falls Short

First-Time Users Need Brief Technique Training

The twist-in insertion method is intuitive once learned but counterintuitive to workers who have spent years using roll-down plugs. Without a brief orientation — pull the ear back, insert with a twisting motion, check for a muffled sound environment — some first-time users will under-insert and receive substantially less than rated attenuation. A laminated technique card posted above jar dispensers addresses this entirely, but the onboarding step is real.

Per-Pair Cost Sits Above Basic Roll-Down Competitors

Commodity PVC roll-down earplugs can be sourced at well under $0.20 per pair at high volume. The 6687 Glide Camo carries a modest premium reflecting the proprietary insertion geometry and material quality. For facilities where budget pressure is severe and training resources are available to enforce roll-down technique, the cost difference may factor into procurement decisions. For most employers, the compliance advantage of twist-in insertion more than offsets the price delta when absenteeism and audiometric monitoring costs are considered.

This SKU Is Uncorded — Corded Users Need the 6946

The 6687 jar contains uncorded pairs only. Workers in environments where dropped earplugs create FOD (foreign object debris) hazards or where corded plugs are required by site policy should specify the Moldex 6946 (corded, camo) instead. The jar format of the 6687 is also not suited to individual field kit travel — individually wrapped pairs would be preferable for that application.

Jar Not Ideal for Mobile or Remote Work Contexts

A 50-pair jar is well suited to a stationary dispense point but awkward for a service technician working across multiple sites. For mobile use, consider individually-wrapped disposables or a reusable earplug alternative that can be kept in a tool belt.

Moldex 6687 vs. Competing NRR 30 Earplugs

Howard Leight MAX-1 leads on raw NRR (33) but requires precise roll-down technique to achieve rated attenuation. The 3M E-A-R Classic uses PVC and does not qualify as latex-free. The Moldex 6940 is functionally identical to the 6687 without the camo print — choose based on aesthetics and dispense-point needs only.

Moldex Glide Series — Which SKU Is Right for You?

Compatible Accessories

The Moldex 6687 is a disposable earplug — it has no replacement tips or reusable cartridge system. The most relevant accessories are at the dispense and storage layer:

• Dispenser rack for Moldex jars — Moldex offers wall-mounted rack dispensers compatible with the standard jar lid. Mounting these at facility entrances is a proven compliance tactic.
• Dual-protection combination — in environments exceeding ~105 dBA TWA where single-plug protection is insufficient, pair the 6687 with an earmuff rated NRR 25+. OSHA and NIOSH provide guidance on dual-protection effective NRR calculation; the combination effect is not simply additive.
• Audiometric testing — organizations running OSHA-mandated baseline and annual audiograms should pair earplug selection with documented fit-testing. Moldex supports third-party fit-test verification.

NRR 30 in the Context of OSHA 29 CFR 1910.95 and ANSI S3.19

OSHA 29 CFR 1910.95 requires employers to implement a hearing conservation program whenever worker noise exposure equals or exceeds an 8-hour TWA of 85 dBA (the action level). When exposure reaches 90 dBA TWA (the permissible exposure limit), engineering controls must be evaluated before hearing protection is specified as the primary control.

When hearing protection is selected, OSHA requires that the chosen HPD reduce worker exposure to at least 90 dBA or below. NIOSH and OSHA recommend applying a 50% derating to published NRR values to account for real-world fit variability. For the Moldex 6687 (NRR 30): effective attenuation = (30 − 7) ÷ 2 = 11.5 dB. That means this earplug is suited to environments up to approximately 101.5 dBA TWA under the OSHA derating method — covering the overwhelming majority of manufacturing and construction noise profiles.

The NRR is established under ANSI S3.19-1974, the standard historically used for earplug labeling in the U.S. The EPA requires the NRR to appear on all HPD packaging. NIOSH has advocated for updating to ANSI S12.42-2010 methods that produce more conservative estimates; the current regulatory floor remains ANSI S3.19-1974. For a deeper look at how to use these numbers in exposure calculations, see our NRR Hearing Protection Guide.

For comparison shopping across the full best earplugs for work category, or for an overview of the best foam earplugs for manufacturing, see our dedicated guides.

Total Cost of Ownership

The 6687 jar provides 50 pairs. For a facility with 20 workers on a single shift replacing plugs daily on a 250-day work year, annual consumption is 5,000 pairs — 100 jars. The incremental cost premium over commodity roll-down earplugs at scale is real but should be weighed against three TCO factors:

1. Compliance-driven savings: Inconsistent earplug use increases audiometric shift rates, which triggers OSHA recordability requirements, mandatory follow-up audiometry, and potential enforcement exposure. A plug that workers actually use every time has measurable risk-reduction value.
2. Reduced waste: Improperly inserted roll-down plugs are frequently discarded and replaced mid-shift by workers who feel they are not working. Twist-in insertion tends toward higher first-use success rates, potentially reducing waste-pair consumption.
3. Training overhead: The twist-in technique requires one brief orientation session versus ongoing retraining on roll-down technique that many programs conduct quarterly. Over a multi-year horizon, the training cost comparison may favor twist-in products.

Final Verdict

The Moldex 6687 Glide Camo Foam Earplug Jar (NRR 30, 50 pairs) is a best-in-class disposable earplug for industrial environments where glove use, hand contamination, or time pressure reduce the practicality of roll-down insertion. The NRR 30 rating provides compliance margin across nearly all industrial noise profiles under OSHA 29 CFR 1910.95. The latex-free, PVC-free polyurethane construction addresses chemical sensitivity concerns. At 4.8/5 stars across nearly 6,000 Amazon reviews, real-world user experience corroborates the lab performance data.

If you manage hearing conservation compliance and want to reduce the gap between mandated and actual earplug wear rates, the 6687 Glide Camo is a product that directly addresses the most common failure mode — inconvenient insertion. Buy it for the mechanism; the camo is a bonus.

For broader context on the best hearing protection for industrial workers, explore our full guide. To compare Moldex’s complete lineup, see our Best Moldex Earplugs guide.

Frequently Asked Questions

What does NRR 30 mean for the Moldex 6687?

NRR 30 means the earplug achieved a Noise Reduction Rating of 30 decibels under ANSI S3.19-1974 laboratory conditions. Applying OSHA’s recommended 50% derating: (30 − 7) ÷ 2 = 11.5 dB effective attenuation. This is sufficient to reduce a 101.5 dBA noise environment to 90 dBA — the OSHA PEL for an 8-hour shift.

How does the twist-in insertion work?

Grasp the earplug, reach over the head with the opposite hand to pull the outer ear up and back (straightening the ear canal), then insert the plug with a slow, continuous twisting motion until it is seated and sounds are noticeably muffled. No rolling or compression is required. The tapered foam geometry seats itself at the correct depth.

Are these earplugs latex-free?

Yes. The Moldex 6687 Glide Camo is made from polyurethane foam and is confirmed latex-free and PVC-free, making it appropriate for workers with latex sensitivities.

Can I insert these with work gloves on?

Yes — that is the primary design intent of the Glide series. The twist-in insertion method does not require precise fingertip manipulation of a compressed foam cylinder, so it is compatible with most types of work gloves including nitrile, leather, and cut-resistant varieties.

Do these meet OSHA hearing protection requirements?

The 6687 meets the ANSI S3.19-1974 standard used for NRR labeling under EPA and OSHA regulations. Whether they satisfy a specific employer’s program depends on the measured noise exposure at that workplace. Consult OSHA 29 CFR 1910.95 and your industrial hygienist for site-specific compliance determinations.

How many earplugs come in the jar?

The Moldex 6687 jar contains 50 pairs (100 individual plugs).

Can I reuse the Moldex 6687?

The 6687 is a disposable earplug. Moldex does not rate it for repeated use. Replace after each shift or whenever the plug becomes soiled, deformed, or shows reduced resilience. For a reusable option, see our guide on reusable vs. disposable earplugs.

What is the difference between the 6687 and the 6940?

Both are uncorded Glide-series plugs with NRR 30 and identical polyurethane construction. The 6687 has a camo print; the 6940 is the standard color variant. Performance is identical — choose based on visual preference and compliance-audit needs.

Is there a corded version of the Glide Camo?

Yes — the Moldex 6946 is the corded camo variant. The Moldex 6945 is the corded standard-color variant. Cords are useful in environments where dropped plugs create debris hazards or where site policy requires corded HPDs.

How deep should the earplug be inserted?

The plug should be inserted until the outer end is nearly flush with the ear canal opening and sounds are clearly muffled. Under-insertion is the most common cause of reduced field attenuation — if environmental sounds remain clear after insertion, remove and re-insert with a slower, more complete twisting motion.

When do I need dual hearing protection?

NIOSH recommends considering dual protection (earplug + earmuff) when noise exposure exceeds approximately 105 dBA TWA. Single-plug NRR 30 protection, derated, addresses environments up to ~101.5 dBA. For impact noise (nail guns, powder-actuated tools, stamping presses) the peak SPL calculation differs from TWA — consult your industrial hygienist.

Do foam earplugs have a shelf life?

Moldex specifies a shelf life of five years for unopened Glide-series earplugs stored at room temperature in the original sealed packaging. Once the jar is opened, use within a reasonable period and inspect plugs for hardening or permanent deformation before each use.

Does buying earplugs satisfy my OSHA hearing conservation program requirement?

No. OSHA 29 CFR 1910.95 requires a full hearing conservation program including noise monitoring, audiometric testing, training, recordkeeping, and access to hearing protection — not merely providing earplugs. See our OSHA Hearing Conservation Program Guide for a complete breakdown.

Should I fit-test foam earplugs?

OSHA does not currently mandate individual fit-testing for foam earplugs, but NIOSH and CAOHC recommend it for workers with confirmed noise exposures at or above the PEL. Fit-testing can identify workers unable to achieve adequate attenuation with a given model and direct them to alternatives.

Is there bulk pricing available for the Moldex 6687?

WC Safety supplies the Moldex 6687 to industrial and B2B customers. For volume pricing and procurement inquiries, contact the WC Safety team directly. Amazon also offers quantity pricing tiers for multi-jar purchases.

How does the 6687 compare to other foam earplugs?

See our comprehensive best foam earplugs for manufacturing guide for a full competitive analysis. In brief: the 6687 differentiates on twist-in insertion and latex-free construction. Competitors with higher raw NRR (e.g., NRR 33) typically use roll-down insertion that reduces field attenuation in gloved or high-contamination environments.

Is the Moldex 6687 the best earplug for industrial work?

It is among the strongest options in the NRR 30 disposable category, particularly for workers in gloved or contaminated-hand environments. For a full evaluation across use cases, see our Best Earplugs for Work guide and our Best Hearing Protection for Industrial Workers guide.

Editorial Methodology

This review is based on published manufacturer specifications, ANSI S3.19-1974 NRR test data, OSHA regulatory text (29 CFR 1910.95), and aggregated user review data from Amazon (4.8/5, 5,895 reviews as of the review date). WC Safety does not conduct independent laboratory testing. No performance claims in this review are extrapolated beyond documented sources. Competitor NRR values are drawn from the respective manufacturers’ published datasheets. All regulatory math uses the OSHA-recommended 50% derating formula.