Inline HEPA Filter


Inline HEPA Filter Built for Critical Air Purity
Proven inline HEPA filter supplier to the medical devices and high-tech industries
The Sonic HEPA filter (High Efficiency Particulate Air) was designed to provide our customers with a “True HEPA filtration” plumbing circuit. “True HEPA filtration” refers to a plumbing circuit which features the standard blower inlet filter with the addition of an inline HEPA filter. By integrating the HEPA inline after the blower's discharge, it guarantees that the air feeding the air knives or nozzles is filtered to 0.3 micron.
Sonic is a leading supplier of inline HEPA filter assemblies to many customers worldwide. Our products are designed to suit any critical cleanliness application where air is blowing directly onto food products, food contact surfaces, medical devices, and any other product where 99.997% sanitary air is required.
Industrial-Grade HEPA Filtration for Cleaner Air Systems
Designed for high-efficiency particle removal in pressurized air systems, this inline air purifier delivers advanced filtration performance for critical industrial environments. Installed downstream of industrial blowers, it uses a premium-grade HEPA media to trap particulates as small as 0.3 microns, maintaining a clean airflow for sensitive operations. This filter is ideal for industries where air purity is critical, such as food processing, medical device manufacturing, and electronics assembly, making it a dependable choice for protecting both products and processes.
The Built-In Advantages of Sonic's Inline Air Purifier
- Filtration to 0.3 micron / MERV 17: Captures ultra-fine airborne particles to maintain superior air quality in sensitive applications.
- Hose barb with optional ferrule connectors: Offers flexible connection options for quick and secure integration into various air systems.
- Differential filter pressure drop analog gauge: Allows operators to monitor filter performance and identify pressure changes that signal maintenance needs.
- Available in Hard Anodized or Nickel Plated Aluminum: Built with corrosion-resistant materials to withstand harsh industrial environments and extend service life.
- Mounting base in powder-coated steel or 300 series SS: Provides structural durability with material options suited for standard or sanitary installations.
- Max 1000 cfm (28 CMM) @ 2 psi: Supports high-volume airflow requirements without compromising filtration efficiency.
- Protects Product Integrity: By capturing fine particulates, the inline HEPA air filter helps maintain a clean production environment. This reduces contamination risks and supports consistent product quality.
- Minimizes Downtime: The pressure gauge helps preempt clogs and maintenance issues. Teams can plan filter changes in advance, avoiding unexpected shutdowns.
- Supports Regulatory Compliance: Meeting high MERV standards contributes to meeting industry-specific air quality regulations. This is particularly valuable in sectors with strict safety or hygiene mandates.
- Reduces System Contamination: Filtration at the point of discharge keeps downstream tools and surfaces free from airborne debris. This leads to a cleaner work environment and improved operational efficiency.
How to Select the Right Industrial Diverter Valve
Determining the best valve for your system depends on balancing air volume, pressure, and material characteristics. When these factors align, you achieve smoother performance, higher efficiency, and long-term reliability. The ideal configuration not only maintains consistent airflow and minimizes pressure loss but also enhances energy efficiency across continuous production cycles.
Common Types of Diverter Valves
- Flap Type Diverter: Simple, cost-effective valve ideal for low- to medium-pressure systems handling powders, pellets, or airflows requiring gentle redirection.
- Plug (Rotor) Diverter: Designed for continuous-duty applications, offering smooth switching between lines with minimal leakage.
Slide or Slideflex Diverter: Provides fast, tight-sealing transitions for high-pressure or high-temperature processes where precision airflow management is essential.
Key Technical Considerations
When specifying an industrial air diverter valve, consider the following engineering factors to ensure long-term reliability:
- Material Compatibility: Choose materials suited to your process—aluminum for lightweight efficiency, stainless steel for hygienic or corrosive environments, or coated alloys for chemical resistance.
- Actuation & Automation: Sonic offers manual, pneumatic, or automated actuation to integrate with PLC or sensor-driven systems for instant airflow control.
Sealing & Maintenance: Valves are designed with precision-fit components and replaceable seals to maintain efficiency and reduce downtime during maintenance intervals.
View Case Studies

Frequently Asked Questions
Yes. Sonic butterfly valves can operate in conjunction with a VFD for blower speed control; however, they can also function as the sole airflow control device. As a low-cost alternative to a VFD, the butterfly valve allows operators to manually fine-tune air velocity and pressure, setting the optimum airflow level during the initial system setup without relying on expensive electronic controls.
The Sonic Y-Verter™ is a mechanical alternative to Variable Frequency Drive motor controllers traditionally used in blower and air knife systems. It allows rapid, reliable airflow redirection between system branches without changing motor speed, reducing complexity and maintenance requirements compared to VFD-based systems.
A Y-Verter™ is particularly effective when using standard 3,600 RPM, 60 Hz motors where air control needs can be met through mechanical redirection rather than motor speed modulation. While certain high-speed blower motors (up to 20,000 RPM) may require VFDs with output frequencies up to 330 Hz, many air knife applications can achieve equal or better airflow management with the simpler, more durable Y-Verter™ system.
Yes. They can be integrated with most industrial blowers or pneumatic systems, and custom configurations are available for unique operating conditions.
Inline HEPA Filter

Inline HEPA Filter Built for Critical Air Purity
Proven inline HEPA filter supplier to the medical devices and high-tech industries
The Sonic HEPA filter (High Efficiency Particulate Air) was designed to provide our customers with a “True HEPA filtration” plumbing circuit. “True HEPA filtration” refers to a plumbing circuit which features the standard blower inlet filter with the addition of an inline HEPA filter. By integrating the HEPA inline after the blower's discharge, it guarantees that the air feeding the air knives or nozzles is filtered to 0.3 micron.
Sonic is a leading supplier of inline HEPA filter assemblies to many customers worldwide. Our products are designed to suit any critical cleanliness application where air is blowing directly onto food products, food contact surfaces, medical devices, and any other product where 99.997% sanitary air is required.

Industrial-Grade HEPA Filtration for Cleaner Air Systems
Designed for high-efficiency particle removal in pressurized air systems, this inline air purifier delivers advanced filtration performance for critical industrial environments. Installed downstream of industrial blowers, it uses a premium-grade HEPA media to trap particulates as small as 0.3 microns, maintaining a clean airflow for sensitive operations. This filter is ideal for industries where air purity is critical, such as food processing, medical device manufacturing, and electronics assembly, making it a dependable choice for protecting both products and processes.













