Rainbow Filters offer
made-to-measure solutions.
Maintain or improve the filtration effectiveness of your systems.
Reduce maintenance expenses with filtration solutions that help increase the life of your installations.
Our products performance is tested to ISO 16890 and installed by trained professionals.
Better protect your system’s components.
Our Products
Rainbow Filters offers a broad range of filtration products. Our selection includes custom-made cardboard, disposable, pleated, and V-form filters with carbon media options, that are engineered to optimise system performance, extend equipment life, and minimise maintenance expenses.
Pre Filters
Filter Media
Holding Frames
Decontamination Units
Secondary Filters
Kitchen Filters
HEPA Filters
Circular Filters
Negative Air Units
FAQs
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Description text goes hereThe replacement cycle for HVAC filters depends on system usage, environmental conditions and contamination levels. Filters should be inspected regularly and replaced according to pressure-drop readings or a planned maintenance schedule. Timely replacement helps maintain consistent airflow, filtration performance and system efficiency.
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When selecting air filters, consider the required airflow rate, contamination level, HVAC system type, filtration efficiency and relevant compliance requirements. Rainbow Air Systems provides filters for a wide range of applications, including demanding commercial, industrial and controlled environments.
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HEPA filters are designed to capture extremely fine airborne particles and are commonly used in environments requiring high levels of cleanliness, such as hospitals, laboratories and pharmaceutical facilities.
Standard HVAC filters are generally used for everyday air filtration in commercial and industrial systems. Both filter types play an important role in maintaining indoor air quality and protecting HVAC equipment.
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HVAC filters are commonly installed inside air-handling units, return-air systems or ductwork using holding frames, filter housings or filter banks. Correct installation is essential for preventing air bypass and maintaining effective filtration and airflow.
Rainbow Air Systems provides compatible HVAC air filters and custom holding systems designed for reliable integration into commercial HVAC installations.
Carbon Filters
Moisture Eliminator Filters
Why Choose Rainbow Air Systems for HVAC Air Filters
70 years of industry expertise in air filtration
Australian-owned and operated business
NATA-accredited testing and validation to ISO/IEC 17025
ISO 9001 quality management certification
ISO 45001 health and safety compliance
Custom-built HVAC air filters for specialised applications
End-to-end service, including supply, installation, testing and validation
We work closely with facility managers and engineers to ensure every filtration system performs reliably in real-world conditions.
HVAC Filters for Australian Facilities
Rainbow Air Systems supplies high-performance HVAC filters for environments where air quality, system reliability and regulatory compliance are essential. Our filtration solutions are used across hospitals, pharmaceutical facilities, laboratories, food production sites, commercial buildings, data centres and other specialised facilities.
We offer pre-filters, secondary filters, HEPA filters, carbon filters and specialist filtration media to support different stages of air purification. Our air filters are designed to capture fine particles, contaminants and airborne pollutants, helping to deliver cleaner air and improved HVAC system efficiency.
Our range of HVAC air filters also includes circular filters, moisture-eliminator filters and custom-built holding-frame systems. These filters are designed to integrate seamlessly into commercial HVAC systems, support consistent airflow and help reduce ongoing maintenance requirements.
Rainbow Air Systems has in-house manufacturing capabilities, allowing us to provide faster turnaround times and customised solutions for complex environments. Whether you require standard HVAC air filters or specialised filtration products, we provide reliable solutions backed by decades of experience in air filtration systems across Australia.
Explore Our Air Filtration and HVAC Range
We provide complete solutions across filtration, system design and air quality management.
HVAC Systems
Complete HVAC system design and integration for commercial facilities.
Kitchen Exhaust Systems
Safe and compliant extraction solutions for commercial kitchens and food environments.
Plant Room Solutions
Engineered air-handling and mechanical ventilation solutions for specialised sites.
Filter Systems Design and Construct
Custom-built filtration systems designed for specialised operational and compliance requirements.
Since 1956, Rainbow Filters has been providing premium filters, delivering our customers exceptional performance and efficiency gains.