Engineered for Shielding and Ventilation in EMC Environments
HAOZHUO's EMI Honeycomb Vent is a dual-purpose filtering solution designed specifically for anechoic chambers, shielded rooms, and electronic enclosures. It allows effective airflow without compromising electromagnetic shielding, meeting the strict standards required by modern EMI test environments and lowpass filter systems.
High RF Attenuation Performance
Manufactured using precision-formed aluminum honeycomb materials, the vent functions as a low pass filter, significantly attenuating high-frequency signals across wide ranges. It provides reliable shielding in both conducted and radiated emission applications, making it the perfect partner for rfi line filter suppliers and EMI lab integrators.
Built to Integrate Seamlessly with Chamber Designs
With industry-standard sizing and durable aluminum frame construction, the honeycomb vent is easy to mount and suitable for OEM panel installations. It’s widely adopted by emi filter manufacturers and integrators for its versatility, consistent shielding performance, and long-term reliability.
Product Advantages
Dual-Function Design:Combines ventilation and EMI suppression, enabling airflow while acting as an effective EMI lowpass filter to eliminate RF interference.
High Attenuation Capability:Constructed with multiple layers of precision-aligned honeycomb cells, the vent achieves attenuation levels up to 60dB, depending on frequency.
Durable & Corrosion-Resistant:Built with anodized or plated aluminum to ensure resistance against corrosion, abrasion, and thermal stress—ideal for long-term usage in industrial or laboratory environments.
Standardized Dimensions:Available in a range of standardized square or rectangular sizes for quick integration into chamber walls or access panels. Compatible with flange or screw-mounted assemblies.
OEM Friendly and Customizable:As a filter solution designed by experienced emi filter manufacturers, the product supports customization of dimensions, cell depth, plating type, and shielding requirements.
EMI RFI shield ventilation air filter for rf shielding room stainless steel type
APPLICATIONS:
All Seals honeycomb vents are recommended for installation in electronic equipment enclosures that require high levels of EMI Sielding while allowing for adequate ventilation. East Coast Shielding honeycomb vents can be installed in applications requiring shielding on either the inlet or outlet air flows.
Brass/Steel/ Stainless steel honeycomb
1. Material:Steel, brass,stainless steel,aluminum
2. standard size: 300x300mm, 300x600mm
3. Standard cell size: 3.2/4.0/4.8mm
4. MOQ 1 piece
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Product Features |
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Honeycomb filter use for shielding room and cabinet |
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Materials: Steel, brass, Aluminum, Stainless steel |
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The waveguide vent provides maximum RF attenuation while allowing optimum airflow |
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We can also produce various customized specification for civil or military use according to customer`s requirements. |
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High quality, Reasonable price and Short delivery, sample order accept |
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Technical Specifications |
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Honeycomb Standard Thickness(mm) |
12.5mm/19mm/25mm/50mm |
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Honeycomb standard size |
300x300/300x600/450x450/600x600mm |
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Hole size |
3.2mm/4.0mm/4.8mm |
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The frame materials |
Brass, Steel, Stainless steel |
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MOQ |
1PCS |
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Shielding Performance |
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Magnetic field |
14KHz≥75dB 150KHz≥100dB |
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Electric field |
200KHz-50MHz≥110dB |
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Flatwave |
50MHz-1GHz≥110dB |
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Microwave |
1GHz-10GHz≥100dB 10GHz-18GHz≥90dB |


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.
EMC-EMI Tech is a professional manufacturer and solution provider specializing in electromagnetic compatibility (EMC) and electromagnetic interference (EMI) testing equipment and solutions. With a strong focus on innovation, precision, and compliance, we help businesses meet international standards for electromagnetic compatibility in various industries, including automotive, telecommunications, medical, and consumer electronics.