Industrial Hearing Conservation Just Got a Smarter Refill Option

Moldex 6708 Meteors EcoStation Refill NRR 33 500 Pairs Review (2026)

Maintaining a stocked hearing-protection dispenser at a busy industrial facility sounds simple until you account for gloved hands, rushed workers, and the hidden cost of plugs that never get used because they are too awkward to pull out of a conventional box. The Moldex 6708 Meteors EcoStation Refill attacks that problem at the source. Each bag delivers 500 pairs of the Meteors bell-shaped polyurethane foam earplug, engineered specifically for Moldex EcoStation dispensers — the hands-free, roll-top format that lets workers grab a single pair one-handed even while wearing heavy work gloves.

The 6708 refill is not simply a bulk bag. It is the consumable half of a dispenser ecosystem that keeps hearing protection accessible at every noise-exposure point on the floor. With an NRR of 33 dB — the highest rating achievable under ANSI S3.19 testing — and a latex-free, PVC-free foam construction, this refill is a serious compliance tool for facilities running between 90 and 103 dBA time-weighted average (TWA) environments.

After reviewing the product specifications, OSHA/ANSI compliance context, and real-world industrial use cases, here is what purchasing and safety managers need to know before committing to a pallet of 6708 refills.

Who the Moldex 6708 Is For

The 6708 refill is purpose-built for facilities that have already invested in Moldex EcoStation hardware or are building a dispenser-based hearing conservation program. It suits:

• Manufacturing and heavy industry — environments sustaining 90+ dBA TWA where OSHA 29 CFR 1910.95 mandates employer-provided protection.
• Construction sites — cold storage and outdoor operations where gloved hands are the norm, not the exception.
• Safety managers running dispenser programs — the 500-pair count minimizes restocking frequency and per-pair cost.
• Facilities with latex-sensitive workers — PVC-free, latex-free formulation supports medical and food-processing environments.

It is not ideal for individual users buying occasional protection or facilities that prefer reusable versus disposable earplugs. For those use cases, explore the broader ear plugs collection.

Moldex 6708 Strengths

NRR 33 dB: Maximum Attenuation Under ANSI S3.19

The Meteors earplug achieves an NRR of 33 dB as tested under ANSI S3.19-1974, which is the methodology the EPA mandates for all hearing-protection NRR labeling. Under OSHA's recommended 50% derating factor — applied to account for real-world fit variation — the effective protection in the field is approximately 13 dB of attenuation. For a worker in a 100 dBA environment, that yields an effective exposure of 87 dBA, comfortably below OSHA's 90 dBA permissible exposure limit (PEL) and well under the 85 dBA action level. For a deeper dive into how to apply NRR values to compliance decisions, see the NRR hearing protection guide.

Bell Flange Design: Glove-Compatible Insertion

Conventional cylindrical foam plugs require two-handed manipulation — one hand to roll the plug, another to pull the ear canal open. The Meteors' wide outer grip flange changes that equation. Workers can grip the broad base between gloved thumb and forefinger, roll the narrow tip down, and insert with a single hand. This is not a marketing claim; it is a direct consequence of the flange geometry and the foam's roll-down compliance. Facilities running EcoStation dispensers often report that the bell shape reduces the "I could not get it in right" excuse that erodes hearing protection compliance in dispenser programs.

Latex-Free and PVC-Free Polyurethane Foam

The 6708 foam is free of latex and PVC. Latex allergies affect a meaningful segment of the workforce, and OSHA guidance recommends employer awareness of Type I latex sensitivity. PVC-free construction is relevant for food-processing and pharmaceutical environments with material restrictions on production floors. The polyurethane formulation provides the slow-rebound recovery that a well-fitting earplug requires: roll, insert before full expansion, then allow the foam to expand and seal within the ear canal.

EcoStation Dispenser Integration

The 6708 is the refill designed for Moldex EcoStation dispensers — wall-mounted, roll-top units that dispense one pair at a time with minimal hand contact. When mounted at noise-entry points — machine entrances, compressor rooms, blast areas — the dispenser reduces the friction between "I need protection" and "I have protection." The 500-pair refill bag is sized to minimize mid-shift restocking for high-traffic stations. For facilities evaluating the full best hearing protection ecosystem, an EcoStation program represents a documented compliance infrastructure, not just a product purchase.

Bright Color for Compliance Verification

The Meteors' orange-red color is visible from several feet away. Supervisors conducting floor sweeps can visually confirm earplug insertion without interrupting workers. In facilities where OSHA 29 CFR 1910.95(i) requires a hearing conservation program that includes observation and enforcement, visual confirmation is a real operational benefit. Compare this to flesh-toned or translucent plugs that are nearly impossible to verify at a distance during production.

Limitations to Consider

EcoStation Hardware Dependency

The 6708 refill delivers its full value only within an EcoStation dispenser program. If your facility stores earplugs in open bins, desk drawers, or conventional cardboard boxes, the 500-pair bulk bag is awkward to manage and the bell-flange insertion advantage is partially lost. Facilities without EcoStation hardware need to budget for dispensers alongside the refill cost, or reconsider whether a standard box-format foam earplug better fits their storage model.

Learning Curve for New Users

Workers accustomed to cylindrical foam plugs may need a brief training cycle with the bell shape. The insertion sequence is different: grip the wide flange, roll the narrow tip, insert tip-first and let the base sit flush, rather than rolling the entire cylinder. Safety managers running new-hire orientation should include a hands-on demonstration for the Meteors specifically. A poorly inserted NRR 33 plug performs worse in the field than a correctly inserted NRR 25 plug.

Disposable-Only Format

The 6708 is single-use. For facilities with sustainability goals or those evaluating the tradeoff between reusable and disposable earplugs, this is a real consideration. Disposables generate more waste per worker per shift than reusable banded or pod-style plugs. If your program philosophy leans reusable, a different Moldex platform may better match your goals.

Per-Pair Cost Premium Over Basic Cylindrical Refills

The bell-flange tooling, EcoStation-compatible packaging, and premium polyurethane formulation carry a modest cost premium over commodity cylindrical disposable refills. At 500 pairs per bag, the per-pair unit cost is reasonable for a premium dispenser program, but safety managers comparing strictly on per-pair cost without factoring in compliance and dexterity benefits may inadvertently select a cheaper refill that underperforms in the field.

How the Moldex 6708 Compares

The 6708 matches competitors on NRR while differentiating on glove-compatible insertion geometry. The 3M 1100 is widely available but trails by 4 NRR points and lacks the bell flange advantage. Within the Moldex dispenser ecosystem, the 6708 is the recommended default for facilities prioritizing ease of use. Review the full best Moldex earplugs guide for a broader comparison across the Moldex lineup.

Compatible Accessories

The 6708 refill pairs with the following in a complete EcoStation program:

• Moldex EcoStation Dispenser — wall-mounted, tool-free roll-top dispenser; mounts at head height at noise-entry points.
• Moldex EcoStation Stand — freestanding floor mount for locations where wall mounting is impractical.
• PPE signage — ISO 7010 "Ear Protection Mandatory" signs mounted adjacent to dispensers reinforce OSHA 29 CFR 1910.95(b)(1) requirements. Explore the full PPE collection for signage options.

For facilities building a complete hearing-protection program, the dispenser and refill together represent a documented, auditable infrastructure. See the hearing conservation program guide for how to structure the broader program around OSHA requirements.

OSHA and ANSI Standards Context

OSHA 29 CFR 1910.95 establishes the noise exposure limits for general industry. At or above 85 dBA TWA (the action level), employers must implement a hearing conservation program including monitoring, audiometric testing, training, and provision of hearing protection. Above 90 dBA TWA (the PEL), engineering and administrative controls are required first, with HPDs as supplemental protection. The 6708, when properly fitted, provides sufficient attenuation to support compliance in environments up to approximately 103 dBA TWA before derating. After OSHA's recommended 50% derating, effective attenuation is approximately 13 dB, meaning the 6708 is best suited as the primary HPD in environments up to approximately 103 dBA where proper fitting is confirmed.

ANSI S3.19-1974 is the laboratory test method that produces the NRR value on the label. It measures attenuation at nine frequencies from 125 Hz to 8,000 Hz using trained test subjects under ideal laboratory conditions. Real-world attenuation consistently falls below this ideal — which is why OSHA and NIOSH recommend applying a derating factor. NIOSH recommends a more aggressive 70% derating or use of the ANSI S12.6 real-ear method. For a working understanding of how to translate NRR into real compliance decisions, see the NRR hearing protection guide.

Recordkeeping tip: OSHA 29 CFR 1910.95(m) requires employers to maintain records of noise exposure measurements and audiometric test results. A dispenser-based program like EcoStation can complement this by providing a physical audit trail — dispenser refill logs show when and where protection was provisioned.

Total Cost of Ownership

The 6708 refill is purchased as a 500-pair bag. At a facility where 50 workers each use one pair per 8-hour shift, a single bag supplies 10 days of protection. Monthly consumption is approximately 3 bags per 50-person team. The per-pair economics improve with scale: facilities ordering in case quantities from WC Safety reduce per-pair cost versus retail purchasing.

The true TCO calculation also includes:

• Dispenser hardware (one-time) — amortized over years of use, EcoStation dispensers are a minor cost relative to refill consumption.
• Training time — a 5-minute orientation to bell-shape insertion technique is an investment that pays back in correct fit and full NRR utilization.
• Hearing loss avoided — NIOSH estimates noise-induced hearing loss costs employers hundreds of millions annually in workers' compensation. Properly managed dispenser programs are a documented control measure. See the best earplugs for work guide for a broader cost-benefit framing.

Final Verdict

The Moldex 6708 Meteors EcoStation Refill is the right refill for facilities running a dispenser-based hearing conservation program and prioritizing both maximum NRR and glove-compatible insertion. The 500-pair bulk format, combined with the Meteors' distinctive bell flange and latex-free construction, makes this one of the most operationally sound choices in the disposable earplug refill category. Explore the full hearing protection collection and the best earplugs for work guide to see how the 6708 fits your program.

It earns 4.8/5. The only reasons it does not reach a perfect score are the EcoStation hardware dependency and the learning curve for workers transitioning from cylindrical plugs — both manageable with proper program setup and orientation. For guidance on selecting across hearing protection categories, see the best hearing protection guide and the best foam earplugs guide.

Frequently Asked Questions

What is the NRR of the Moldex 6708 Meteors?

The Moldex 6708 Meteors has an NRR of 33 dB, tested under ANSI S3.19-1974. Applying OSHA's recommended 50% derating yields approximately 13 dB of real-world effective attenuation.

What dispenser does the Moldex 6708 refill fit?

The 6708 is the EcoStation refill designed for Moldex EcoStation dispensers — the wall-mounted, roll-top earplug dispenser format. It is not intended for use in other manufacturers' dispensers.

Are Moldex 6708 earplugs latex-free?

Yes. The Moldex 6708 Meteors are made from polyurethane foam that is both latex-free and PVC-free, making them appropriate for workers with latex sensitivities and for food-processing or pharmaceutical environments with material restrictions.

How many pairs are in a Moldex 6708 refill bag?

Each Moldex 6708 refill bag contains 500 pairs of Meteors earplugs.

Can you insert the Moldex 6708 while wearing gloves?

Yes. The wide outer grip flange provides a large, stable surface that allows workers to insert the earplug one-handed even while wearing heavy work gloves — a key advantage over standard cylindrical foam earplugs.

What is the effective attenuation of the Moldex 6708 after OSHA derating?

After applying OSHA's recommended 50% derating to the NRR 33 dB, the estimated real-world attenuation is approximately 13 dB. NIOSH recommends a more conservative 70% derating, which would yield approximately 9.9 dB effective attenuation. Consult the NRR hearing protection guide for full derating calculations.

Does the Moldex 6708 comply with OSHA 29 CFR 1910.95?

Yes. The Moldex 6708 is a labeled HPD with an NRR tested under ANSI S3.19-1974, satisfying the product-compliance requirements of OSHA 29 CFR 1910.95. Employers must still ensure correct fit and usage as part of a complete hearing conservation program.

What noise environments is the Moldex 6708 appropriate for?

With NRR 33 and approximately 13 dB real-world attenuation (50% derating), the 6708 is appropriate as a primary HPD in environments up to approximately 103 dBA TWA. For environments above that threshold, engineering or administrative controls or dual hearing protection should be evaluated with an industrial hygienist.

How does the Moldex 6708 compare to the Moldex 7800 Pura-Fit?

Both achieve NRR 33 and are EcoStation-compatible 500-pair refills. The key difference is shape: the 6708 Meteors uses a bell flange optimized for gloved insertion, while the 7800 Pura-Fit uses a tapered cylinder. Workers experienced with cylindrical plugs may prefer the 7800; facilities prioritizing glove-compatible compliance should favor the 6708. See the best Moldex earplugs guide for the full comparison.

Is the Moldex 6708 suitable for food processing environments?

The latex-free and PVC-free construction is appropriate for many food-processing programs. Confirm with your facility's EHS officer and materials-control requirements, as food-grade suitability may involve additional factors beyond foam composition.

What is the shape of the Moldex 6708 Meteors earplug?

The Moldex 6708 Meteors is a bell-shaped, dome-style disposable foam earplug with a wide outer grip flange. The tip is narrow for canal insertion; the base is broad for gloved gripping and one-handed manipulation.

How should workers be trained to correctly insert the Moldex 6708?

Instruct workers to: (1) roll only the narrow tip between thumb and forefinger; (2) reach over the head with the opposite hand to gently pull the ear canal open; (3) insert the rolled tip with the flange sitting at the canal opening; (4) hold 20 to 30 seconds while the foam expands and seals. A correct seal creates noticeable sound attenuation immediately. See the best earplugs for work guide for more fitting guidance.

How long does a 500-pair bag last at a typical industrial facility?

At a facility with 50 workers each using one pair per shift, a 500-pair bag lasts approximately 10 working days. Safety managers should track dispenser refill cadence to build a reliable reorder schedule.

What color are the Moldex 6708 Meteors earplugs?

The Moldex 6708 Meteors are bright orange-red, providing high visibility that aids supervisor compliance verification during floor sweeps.

Where can I buy the Moldex 6708 Meteors EcoStation Refill?

The 6708 is available directly from WC Safety or through Amazon. WC Safety stocks the full Moldex hearing protection line including EcoStation hardware and refills.

Can the Moldex 6708 be reused?

No. The 6708 Meteors are single-use disposable earplugs and should be discarded after each use. For programs seeking reusable options, review the reusable vs disposable earplugs guide to evaluate alternatives.

Is the Moldex 6708 corded or uncorded?

The 6708 is uncorded. If your facility has foreign-body-in-product (FBIP) concerns or requires a tethered earplug, the Moldex 6605 Meteors Corded variant is the appropriate choice.

How does the Moldex 6708 fit into a formal hearing conservation program?

Under OSHA 29 CFR 1910.95, a compliant hearing conservation program must include noise monitoring, audiometric testing, HPD provision, training, and recordkeeping. The 6708 satisfies the HPD provision requirement for workers at or above the 85 dBA action level. EcoStation dispensers support the provision component by making protection accessible at every noise-entry point. See the full hearing conservation program guide for implementation steps.

Written by Steven Eaton, WC Safety Editorial | Published June 2026 | Reviewed for OSHA/ANSI compliance accuracy

Steven Eaton is the founder of WC Safety and has spent over a decade sourcing and evaluating industrial PPE for compliance-driven buyers across manufacturing, construction, and general industry.

Methodology

This review is based on: (1) published product specifications from the Moldex 6708 product page on wcsafety.com; (2) regulatory text from OSHA 29 CFR 1910.95 and ANSI S3.19-1974; (3) verified customer review aggregates where noted. No laboratory testing was conducted by WC Safety for this review. NRR derating calculations use OSHA's published 50% derating formula. Claims about glove-compatible insertion are derived from the product's documented flange geometry. No performance claims are made beyond what the product specifications and referenced standards support.