Need help? +919359096079
HEPA Filters
"HEPA filter uses ultra-fine glass fiber as the filter media and hot-melt adhesive as the separator, with various frame options.
Compared to separator HEPA filters, it is smaller, lighter, and aesthetically appealing, making it ideal for airflow-restricted applications."
Explanation
(1) Initial Airflow Resistance: The airflow resistance when a new filter is first installed, ensuring normal fan operation.
(2) Final Resistance: The resistance when the filter is near the end of its lifespan. Replacement is recommended at this stage to prevent airflow reduction and equipment performance issues.
(3) Working Air Volume: The airflow volume when working in combination with an FFU.
(4) Maximum Air Volume: The maximum airflow the filter can withstand. Exceeding this limit may cause damage or air leakage.
✅ H14 Efficiency Class as per EN 1822
✅ 99.995% efficiency @ 0.3 micron
✅ Low initial resistance ≤ 120 Pa for energy efficiency
✅ Uniform airflow distribution at 0.45 m/s
✅ High dust-holding capacity for extended filter life
✅ Leak-tested for guaranteed performance
✅ Suitable for FFU, AHU, and terminal box applications
HEPA Filter Manufacturer: High-Efficiency H13 & H14 Air Filtration Solutions
In the demanding landscapes of industrial manufacturing and healthcare, air purity is a non-negotiable standard. Rayshen Environmental is a premier HEPA filter manufacturer in India, dedicated to engineering high-performance filtration systems that safeguard products, processes, and personnel. Our High-Efficiency Particulate Air (HEPA) filters are designed to capture 99.97% to 99.995% of airborne contaminants, ensuring your facility remains compliant with international ISO cleanroom standards.
From Mini-Pleat HEPA filters for compact laboratory equipment to Deep-Pleat HEPA filters for massive Air Handling Units (AHUs), Rayshen provides the technical expertise and manufacturing precision required to tackle the most challenging air quality issues.
What is a HEPA Filter? The Science of Sub-Micron Filtration
A HEPA filter is not just a screen; it is a sophisticated matrix of randomly arranged micro-glass fibers. To be classified as a true HEPA filter under the EN 1822 standard, the media must trap at least 99.95% (H13) or 99.995% (H14) of particles at the Most Penetrating Particle Size (MPPS)—typically 0.3 microns.
How Rayshen HEPA Filters Work
Unlike standard filters that act like a sieve, our HEPA media utilizes four distinct physical mechanisms to achieve ultra-high efficiency:
Sieving: Larger particles are caught between the gaps of the glass fibers.
Interception: Mid-sized particles follow the airstream but brush against a fiber and stick to it.
Inertial Impaction: Heavy particles cannot navigate the twists of the fiber matrix and crash directly into the glass strands.
Diffusion (Brownian Motion): The smallest particles (under 0.1 microns) move erratically, eventually colliding with and adhering to the fibers.
Technical Specifications of Rayshen HEPA Filters
To help engineers and procurement managers make informed decisions, we provide transparent technical data for our entire product line.
Frame Options: Extruded Anodized Aluminum, Galvanized Steel (GI), or Stainless Steel (SS 304/316).
Separators: Hot-melt glue (Mini-Pleat) or Corrugated Aluminum (Deep-Pleat).
Sealant: Two-component cold-curable polyurethane for a leak-proof bond.
Gasket: EPDM, Neoprene, or Fluid/Gel Seal for zero-bypass installations.
Standard Construction and Materials
Filter Media: Imported, waterproof, fire-retardant micro-glass fiber paper.Frame Options: Extruded Anodized Aluminum, Galvanized Steel (GI), or Stainless Steel (SS 304/316).
Separators: Hot-melt glue (Mini-Pleat) or Corrugated Aluminum (Deep-Pleat).
Sealant: Two-component cold-curable polyurethane for a leak-proof bond.
Gasket: EPDM, Neoprene, or Fluid/Gel Seal for zero-bypass installations.
Performance Metrics
Property,H13 Grade,H14 GradeEfficiency (@ 0.3μm),99.97% - 99.99%,99.995% - 99.999%
Initial Resistance,250 Pa (approx),280 Pa (approx)
Recommended Final Resistance,500 - 600 Pa,600 Pa
Maximum Operating Temp,80°C,80°C (High temp versions available)
Burst Pressure,> 1500 Pa,> 1500 Pa
Advantage: Provides a larger surface area in a thinner frame (50mm to 100mm).
Benefit: Lower energy costs due to reduced air resistance.
Advantage: Superior mechanical strength.
Benefit: Capable of handling higher face velocities without media deformation.
Types of HEPA Filters Manufactured by Rayshen
Different environments require different airflow dynamics. We offer three core configurations:1. Mini-Pleat HEPA Filters
Designed for modern HVAC systems and Fan Filter Units (FFU), the mini-pleat design uses thermoplastic glue to separate pleats.Advantage: Provides a larger surface area in a thinner frame (50mm to 100mm).
Benefit: Lower energy costs due to reduced air resistance.
2. Deep-Pleat (Separator Style) HEPA Filters
Utilizing aluminum separators, these filters are built for high-volume airflow and rugged industrial AHU applications.Advantage: Superior mechanical strength.
Benefit: Capable of handling higher face velocities without media deformation.
3. Gel-Seal HEPA Filters
For Class 100 cleanrooms and pharmaceutical filling lines, our gel-seal models provide a "knife-edge" fit into the ceiling grid, ensuring a 100% airtight seal that exceeds traditional gasket performance.Industrial Applications: Where Air Purity is Critical
Pharmaceutical & Biotechnology
In drug manufacturing, airborne microbes can ruin entire batches. Our H14 HEPA filters are essential for:
Aseptic Filling Suites: Maintaining ISO 5 environments.
Laminar Air Flow (LAF) Benches: Protecting localized work zones.
Sterile Labs: Preventing cross-contamination of sensitive cultures.
Semiconductor & Electronics Manufacturing
As microchips get smaller, dust becomes a lethal "yield-killer." Rayshen filters provide the sub-micron filtration necessary for wafer fabrication and SMT assembly lines, ensuring zero-defect production.
Hospitals & Healthcare Facilities
Protecting vulnerable patients requires specialized air management.
Operating Theatres (OT): Supplying ultra-clean air over the surgical site.
Isolation Wards: Using HEPA exhaust systems to prevent the spread of infectious diseases (like Tuberculosis or viral pathogens).
Nuclear & Heavy Industry
Our high-capacity filters are used in exhaust systems to capture radioactive particles or hazardous dust, ensuring environmental safety and regulatory compliance.
Why Choose Rayshen Environmental? The Quality Advantage
Buying a HEPA filter is an investment in your facility's safety. Here is why Rayshen is the trusted partner for hundreds of Indian industries:
- Individual Leak Testing: Every filter we ship undergoes a DOP (Dispersed Oil Particulate) or PAO integrity test in our factory. We provide a test certificate for every unit.
- Customization: We don't believe in "one size fits all." We manufacture filters in custom dimensions to fit your existing AHU housing perfectly.
- Low Total Cost of Ownership: By using high-grade media with lower pressure drops, our filters reduce the load on your HVAC blowers, leading to significant electricity savings.
- ISO Certified Production: Our manufacturing facility follows strict quality management protocols, ensuring consistency across every batch.
Maintenance Guide: Maximizing Your HEPA Filter Life
To ensure your HEPA filter price is justified by a long lifespan (usually 2-3 years), follow these best practices:
Implement Multi-Stage Filtration: Always use a G4 Pre-filter and an F7/F9 Fine Filter upstream. This prevents the HEPA filter from clogging with large dust particles.
Monitor Manometers: Install a Magnehelic gauge to track the pressure drop. Once the pressure reaches the "final resistance" (usually double the initial resistance), the filter must be replaced.
Never Clean HEPA Media: HEPA filters are "depth-loading" and delicate. Attempting to vacuum or wash the glass fiber media will create micro-tears, rendering the filter useless.
All Products
Frequently Asked Questions
A HEPA filter (High Efficiency Particulate Air filter) is a high-performance air filter designed to capture 99.97% of particles as small as 0.3 microns. It removes dust, pollutants, microbes, pollen, and other airborne contaminants, making it ideal for cleanrooms, HVAC systems, healthcare, and industrial environments.
A HEPA filter is crucial because it provides extremely pure air by trapping microscopic particles that ordinary filters cannot. This helps maintain hygiene, protect sensitive environments, and ensure clean breathing air.
Rayshen HEPA filters are crafted to provide 99.97% efficiency at 0.3 microns, ideal for cleanrooms and high-purity environments.
We use ultra-fine, high-grade glass fiber media with hot-melt separation for durability and enhanced dust-holding capacity
Typically between 12–18 months, or when it reaches final resistance, depending on usage conditions.
Absolutely. Our filters are designed for FFU installations and maintain stable laminar airflow.
Yes, Rayshen manufactures custom HEPA filter size options for AHUs, FFUs, HVAC systems, and cleanroom applications.
1. H13 HEPA filter: Captures 99.95% of 0.1–0.3 micron particles.
2. H14 HEPA filter: Captures 99.995% of ultrafine particles, H14 offers a higher level of protection and is preferred for critical cleanroom environments.
2. H14 HEPA filter: Captures 99.995% of ultrafine particles, H14 offers a higher level of protection and is preferred for critical cleanroom environments.
