
Mini-Pleat HEPA Filters
Maximize airflow in tight ceiling spaces. These compact filters deliver H13 and H14 efficiency without sacrificing pressure drop performance.

Tested to EN 1822 standards with complete scan reports for every unit. Manufactured under ISO 9001 quality system and delivered in 1-2 weeks to keep your production on schedule.
From standard cleanroom maintenance to semiconductor-grade ultra-clean environments, choose the filtration solution that matches your facility’s requirements and keeps your operations running smoothly.

Maximize airflow in tight ceiling spaces. These compact filters deliver H13 and H14 efficiency without sacrificing pressure drop performance.

Achieve ISO Class 3 to 5 environments with U15 and U16 rated filters. Ideal for semiconductor fabs and aseptic pharmaceutical production.

Eliminate leak risks with factory-applied gel seals. You get reliable installation every time without complex clamping or gasket alignment.

Speed up filter changes in FFU systems and ceiling grids. The knife edge design lets your team swap filters quickly during maintenance windows.

Engineered to perform in your ovens, autoclaves, and nuclear applications. You maintain HEPA-grade filtration even in extreme he

Get complete fan filter unit solutions for new builds or retrofits. Pre-assembled modules reduce your installation time and commissioning effort.

Tell us your specifications and application requirements. You will receive a detailed quote with pricing, lead time, and certification documentation within 24 hours.
From the moment your filters arrive, you benefit from certified quality, consistent performance, and documentation that keeps your facility audit-ready.
Every filter ships with EN 1822 scan test reports and full traceability records for your quality files.
ISO 9001-certified manufacturing ensures every batch meets the same specifications, reducing re-validation hassles.
Dedicated production capacity and strategic inventory ensure your cleanroom never runs short of filters.
From semiconductor fabs to pharmaceutical cleanrooms, see how facilities like yours rely on certified HEPA and ULPA filters to protect critical processes and maintain compliance every day.
When an auditor questions your filter documentation or a late shipment threatens your maintenance schedule, your entire operation feels the pressure.
We provide EN 1822 certified filters with individual test reports, delivered in one to two weeks, so you stay audit-ready and keep production running smoothly.
Individual scan test reports included
Standard delivery in one to two weeks
Custom sizes and seal options available

See how we help specialized facilities maintain compliance and save cost.
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“We were struggling to get consistent documentation from our previous supplier. Since switching to Weier, every filter arrives with its own scan test report. Our quality team no longer spends hours chasing paperwork before audits.”

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“We were struggling to get consistent documentation from our previous supplier. Since switching to Weier, every filter arrives with its own scan test report. Our quality team no longer spends hours chasing paperwork before audits.”

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“Lead times were killing our maintenance schedule. Weier quoted two weeks and delivered in ten days. Now we plan our cleanroom shutdowns with confidence because we know the filters will be there when we need them.”

We make it easy for you to get the right
high-efficiency filtration solution.
Share your specifications and quantities. You will receive a detailed quote within 24 hours.
Approve the quote and we lock in your production slot with a confirmed delivery date.
Every filter is scan tested and ships with complete documentation ready for your records.
Our filters are tested and classified according to EN 1822 and ISO 29463 standards. Each filter comes with an individual scan test report showing actual efficiency and penetration values. We also provide certificates of conformance and material declarations for your compliance files.
Standard sizes and configurations typically ship within one to two weeks from order confirmation. For custom sizes, non-standard media, or special frame materials, lead time is usually three to four weeks. We will confirm exact timing when we quote your project.
Yes. We regularly produce custom sizes to fit legacy FFU systems and non-standard ceiling grids. Send us your drawings or sample dimensions, and our engineering team will confirm feasibility and provide a quote for your specific requirements.
Every HEPA and ULPA filter undergoes individual scan testing regardless of order size. Our manufacturing process follows documented quality controls, and we maintain full traceability from raw materials through final packaging. You receive the same performance whether you order 50 or 5,000 filters.
Our application engineers can help you choose the right filter class, media type, and frame configuration for your specific environment. We review your airflow requirements, particle targets, and installation constraints to recommend the most effective solution.