EMI RFI shield ventilation air filter for mri faraday cage brass material
Features for honeycomb vent window for shielding room
1- Provide maximum RF attenuation while allowing optimum airflow.
2- Available to suit individual requirements
3- Soldering waveguide windows use imported tin-plating to press molding, to ensure the quality while transport and assembly process and guarantee the shielding effect.
4- Produce various customized specification for civil or military use
Standard Dimension for honeycomb vent window for shielding room
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Honeycomb Materials
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(A) Steel (B) Brass
(C) Stainless stee
(D) Aluminum
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Honeycomb Size
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(A) 300*300mm
(B) 300*600mm
(C) 450*450mm
(D) 600*600mm
(E) 600*900mm
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Honeycomb Thickness
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(A) 12.5mm
(B) 19mm
(C) 25mm
(D) 50mm
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The Hole size
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(A) 3.2mm
(B) 4.0mm
(C) 4.8mm
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Frame Type
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(A) With frame
(B) Without frame
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Sheilding Performance for honeycomb vent window for shielding room
| Magnetic field |
14KHz≥75dB
150KHz≥100dB
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| Electric field |
200KHz-50MHz≥110dB |
| Flat wave |
50MHz-1GHz≥110dB |
| Microwave |
1GHz-10GHz≥100dB
10GHz-18GHz≥90dB
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Before-sale:
1.All inquires will be replied with 8 hours. 7D/24H service,Please feel free to contact us with Email/TM/Skype.
2.Strong technical team and Professional sales.
3.Customized packaging is acceptable.
4.Welcom customers from all the world to visit our factory.
After-sale:
1.All emi filter will be tested and adjusted before shipping.
2.After receiving the products,Any question we will try our best to solve.
Maximum RF Attenuation with AirflowThe Brass EMI Honeycomb Air Vents Panel delivers exceptional RF shielding while allowing airflow, providing ≥100 dB magnetic field and electric field attenuation across key frequency bands. It supports integration with emi filter, low pass filter, and rfi filter modules to maintain enclosure integrity while ventilating chambers—mechanisms that answer what is a low pass filter in real-world EMI containment.Customizable Sizes and Thickness OptionsAvailable in honeycomb thicknesses of 12.5 mm, 19 mm, 25 mm, and 50 mm with hole diameters of 3.2 mm, 4.0 mm, and 4.8 mm. This brass vent accommodates emi filter, lowpass filter, ac filter, and low pass rc filter attachments, enabling precise airflow control and shielding customization for MRI, telecom, or industrial RF rooms.Durable Brass Construction and Waveguide SolderingManufactured with tin‑plated brass honeycomb, the vent features soldered waveguide windows to ensure structural stability under transport and installation. The robust brass panel integrates emi filter circuit grounding paths and supports emi filter purpose functionality, making it ideal for demanding EMI environments.Seamless Retrofit and Shielding ComplianceDesigned for bolt‑in installation with or without frame, these panels integrate with existing shielding systems using emi filter, rfi filter, and low pass filter attachments. Ideal for customers asking what is low pass filter technology—this vent ensures ventilation and reliable EMC integrity without breaking enclosure continuity.
Product Advantages
High Attenuation with Ventilation SupportAchieves >100 dB RF shielding while supporting airflow. Compatible with emi filter, low pass filter, and rfi filter accessories to maintain airflow and noise suppression simultaneously.Versatile ConfigurationsMultiple sizes and thickness options accommodate various applications. Integrates low pass filter, ac filter, and emi filter circuit modules for customized defense against conducted and radiated EMI.Brass Material with Waveguide IntegrityTin‑plated brass and waveguide soldering deliver mechanical strength and optimized EMI continuity. Supports emi filter purpose through ground planes and signal line integrity.Easy Integration and RetrofitBolt‑in design works with or without frame. Allows installation of rfi filter, lowpass filter, low pass rc filter, and ac filter components without modifying the main shield.Certification-Ready for Medical & Industrial UseComplies with MRI and microwave shielding standards with high attenuation across 14 kHz–18 GHz. Enhanced with emi filter circuit documentation and what is a low pass filter guidance for engineering deployment.Enhance airflow while preserving RF isolation—order your Brass EMI Honeycomb Air Vents Panel now with full emi filter, rfi filter, and low pass filter integration from Haozhuo. Contact us today for customized quotes, technical drawings, and expedited delivery.
About Us
Precision-Crafted EMC Solutions Backed by Decades of EngineeringFounded in 2003, Haozhuo is a global manufacturer of EMI filters and shielding products tailored to stringent IEC and military standards. Our expertise spans across industrial automation, medical equipment, new energy, rail transit, and defense sectors. With facilities certified to ISO 9001/14001/18001 and CE/UL/VDE compliance, every product reflects deep technical rigor and industry relevance.End-to-End Manufacturing Control with Lab-Verified PerformanceEach EMI filter and shielding solution is engineered in-house with advanced lab tools, including spectrum analyzers, LCR bridges, pulse generators, and shielded test rooms. We rigorously validate every design through simulation and physical testing against CISPR, EN, and GJB metrics. This enables us to offer rapid prototyping, stable mass production, and a standard two-year product warranty.Scalable Production with Global Reach and Certified QualityOperating from Changzhou with over 50 staff and an annual export volume exceeding 90%, our production integrates ERP and MES systems for traceability and efficiency. With sales in Europe, Korea, and over 100 countries, we deliver trusted EMC products to high-stakes industries. Milestones include ISO certification (2004), CE/RoHS (2007), and High-Tech Enterprise recognition.Sustainability and Service in Every ShipmentHaozhuo incorporates ISO 14001 environmental protocols and material efficiency measures throughout design and production. We provide fast shipping via DHL, FedEx, and UPS, local service hubs in Germany, Italy, and Korea, and personalized technical support to ensure compliance, continuity, and cost-efficiency for your global projects.FAQ
1. Who are we?We are Changzhou Haozhuo Electronic Co., Ltd., a manufacturer specializing in EMI filters and electromagnetic shielding products since 2003. With ISO 9001/14001/18001 certifications and CE/UL/VDE compliant solutions, we serve over 100 international clients across industries like industrial automation, medical devices, energy systems, and rail transit.2. How can we guarantee quality?Quality is assured through in-house EMC testing facilities equipped with advanced analyzers, LCR bridges, and shielded chambers, alongside rigorous procedures that meet IEC, EN, and GJB standards. Our products undergo full inspection before delivery and include a standard two-year warranty for long-term reliability.3. What can you buy from us?We offer a wide range of EMI power-line filters, signal-line filters, feedthrough components, passive harmonic filters, RF shielding gaskets, copper foils, wave absorbers, and integrated solutions such as Faraday cages and MRI shielding rooms—all customizable to your exact technical and environmental needs.4. Why should you buy from us not from other suppliers?Our competitive edge lies in our end-to-end design, lab validation, and ISO-certified production system that ensures product performance and fast compliance with global standards. With local service in Germany, Italy, and Korea, plus fast international logistics and responsive engineering support, we minimize your procurement risks and lead time.5. What services can we provide?We provide one-stop EMC solutions including customized product design, in-house emission and insertion-loss testing, OEM labeling, international shipping with full tracking, technical consultation, and ongoing after-sales service—all optimized to support global clients with complex EMC requirements.
