Popular Sizes

Popular Sizes

This page lists all 7 Popular Sizes available from Metal Air Filters, manufactured by American Metal Filter Company (AMFCO). Products on this page are HI Series and HIA Series items, precision-engineered for demanding commercial, industrial, and HVAC applications.

AMFCO’s popular sizes are built for long-term performance and reliability. Whether you need permanent washable replacements or specialty filtration products, all items on this page ship directly from our manufacturing facility with full specifications and compatibility documentation.

Commercial & Industrial Applications

Popular Sizes from Metal Air Filters are deployed across a wide range of commercial, institutional, and industrial building types. The following applications represent the primary use cases for popular sizes.

The HPGGS200700-1-24.500×27.250×1.750-1 exact dimension 2-inch media pad holding frame with retainer gate excels in diverse industrial and commercial applications where precise fitment, quick maintenance, and extended capacity are essential. Its popular size makes it a go-to solution for many HVAC systems.

Commercial Buildings

In office towers and retail centers, the exact dimensions ensure seamless installation, while the retainer gate and 2-inch depth minimize downtime and costs for large-scale HVAC maintenance.

Facility managers appreciate the 50% labor savings from quick gate access and 50-100% extended media life, reducing annual filtration expenses by 70-90% in high-occupancy buildings with constant air circulation requirements.

A high-rise office tower in New York City installed the HPGGS200700-1-24.500×27.250×1.750-1 frames in their HVAC system. The exact dimensions eliminated air bypass, and the retainer gate reduced filter change time by 50%. This resulted in lower energy costs and improved indoor air quality for the tenants.

Manufacturing Facilities

Industrial plants with dusty environments benefit from the filter pad holding frame’s high CFM capacity and heat resistance, supporting continuous operation in production areas.

The triple value combination handles heavy particulate loads with fewer changes, maintaining air quality while cutting maintenance interruptions in 24/7 manufacturing operations.

An automotive parts manufacturer switched to the HPGGS200700-1-24.500×27.250×1.750-1 frame for their paint booth exhaust. the filter pad holding frame’s ability to handle high dust loads and easy media replacement led to a 40% reduction in maintenance time and significant cost savings on filter media.

Healthcare and Laboratories

Hospitals and labs use the precision fit to prevent air bypass in critical clean air systems, with antimicrobial media compatibility for sterile environments.

Quick retainer gate changes ensure minimal disruption to controlled atmospheres, while 2-inch depth provides extended protection against contaminants.

In a study at a major hospital, using the HPGGS200700-1-24.500×27.250×1.750-1 frame in operating rooms improved air quality metrics significantly. The exact fit prevented any air leakage, and the retainer gate allowed for swift media changes between procedures, maintaining the sterility of the environment.

Data Centers and Tech Facilities

Critical for cooling high-density server rooms, the filter pad holding frame’s capacity supports massive airflow without pressure drop issues.

Exact dimensions fit custom racking systems perfectly, with gate convenience allowing rapid media swaps during narrow maintenance windows.

A high-density server farm implemented the HPGGS200700-1-24.500×27.250×1.750-1 frames to combat overheating issues. the air filter frames’ precise dimensions and high airflow capacity eliminated previous hot spots, and the retainer gate feature enabled quick filter changes, ensuring continuous operation without downtime.

Educational Institutions

Schools and universities deploy these frames in campus-wide HVAC for cost-effective air quality management.

The popular size matches many standard systems, with extended capacity reducing summer break maintenance needs and overall operational costs.

After installing the HPGGS200700-1-24.500×27.250×1.750-1 frames, a university reported a 60% reduction in filter replacement frequency and a 30% decrease in energy costs due to improved HVAC efficiency. The retainer gate feature was particularly praised for simplifying maintenance tasks.

Frequently Asked Questions

What makes this frame ‘exact dimension’?

The ‘exact dimension’ designation for this filter pad holding frame means it’s manufactured to precise measurements like 24.500×27.250×1.750 inches without the approximations of nominal sizing in standard air filter frames. This precision in the galvanized steel filter frame ensures a perfect, gap-free fit in specialized HVAC filter frame housings, preventing air bypass that could reduce efficiency. For facilities using media pad holding frames, this exact fit is crucial for maintaining optimal airflow and filtration performance in commercial and industrial settings. The pad holding frame’s accurate dimensions eliminate the need for on-site modifications, saving time and ensuring consistent performance across multiple installations of HVAC filter frames.

How does the retainer gate work?

The retainer gate in this filter pad holding frame is a spring-loaded mechanism on the air entrance side of the air filter frame, allowing quick, tool-free access for media changes. In galvanized steel filter frames like this, the gate opens easily to insert or remove filter pads, then closes securely to hold the media in place during operation. This feature in media pad holding frames significantly reduces maintenance time in HVAC filter frame systems, making it ideal for hard-to-access locations. The design ensures the pad holding frame maintains a tight seal, preventing leaks while facilitating rapid servicing that can cut labor costs by 50% in commercial HVAC filter frame applications.

What are the advantages of 2-inch depth?

The 2-inch depth of this media pad holding frame allows for the use of thicker filter media, which provides 2-3 times the dust-holding capacity compared to standard 1-inch frames. This increased depth not only extends the service life of the filter media by 50-100% but also reduces the frequency of media changes, leading to significant cost savings. In commercial and industrial HVAC systems, this means less downtime for maintenance, fewer disruptions to operations, and a lower total cost of ownership. The 2-inch depth is particularly beneficial in environments with high levels of airborne particulates or where longer service intervals are desired.

Is it compatible with my HVAC system?

Compatibility with your HVAC system depends on the dimensions of your existing filter housing. This frame is designed to fit precisely into housings that match the exact dimensions of 24.500×27.250×1.750 inches. If your system uses this exact size, the frame will fit perfectly, providing a reliable and efficient filtration solution. It’s important to verify your current filter dimensions before purchasing to ensure compatibility and optimal performance of the filter pad holding frame within your HVAC system.

How often to replace media?

The replacement frequency for the media in this filter pad holding frame typically ranges from every 3 to 6 months. This interval can vary based on factors such as the level of airborne contaminants, the specific type of media used, and the operational conditions of your HVAC system. Regular monitoring of the pressure drop across the filter media will provide the best indication of when to replace it. Maintaining the recommended replacement schedule is crucial to ensure the continued efficiency and effectiveness of your air filtration system.

Can it handle high temperatures?

Yes, this filter pad holding frame is rated for continuous operation at temperatures up to 325°F, as classified by UL 900. This makes it suitable for use in high-temperature environments such as rooftop HVAC units, manufacturing facilities, and other industrial applications where elevated temperatures are common. The high-temperature rating ensures that the frame will maintain its structural integrity and performance characteristics even in demanding conditions.

What media types fit?

This media pad holding frame is designed to accommodate any 2-inch depth filter media that is cut to the exact size of 24.500×27.250 inches. This includes a wide variety of media types such as fiberglass pads, polyester media, activated carbon sheets, and antimicrobial media. The versatility in media compatibility allows for customized filtration solutions tailored to specific air quality requirements, making this frame suitable for a diverse range of applications and environments.

Is cleaning required?

Annual cleaning of the frame is recommended to maintain optimal performance. The galvanized steel construction of the frame allows it to resist corrosion and withstand the cleaning process, which can include pressure washing or chemical cleaning agents. Proper cleaning and maintenance of the frame will ensure its longevity and reliable performance in your HVAC system.

What’s the warranty?

This filter pad holding frame comes with a lifetime structural warranty, guaranteeing the frame’s durability and resistance to warping or deterioration under normal operating conditions. This warranty reflects the manufacturer’s confidence in the quality and longevity of their product, providing peace of mind for the end user.

Why choose this over nominal sizes?

Choosing this exact dimension frame over nominal sizes ensures a perfect fit in your HVAC system, eliminating the risk of air bypass and ensuring maximum filtration efficiency. The precise dimensions also mean easier installation and replacement, as the frame will fit seamlessly into the designated space without the need for modifications. For systems that require a reliable, high-performance air filter frame, this exact dimension option is the superior choice.