Polyester Blend Media
This page lists all 94 Polyester Blend Media replacement filters available from Metal Air Filters — precision-manufactured washable aluminum mesh filters engineered as direct OEM replacements for Carrier commercial HVAC equipment. All filters on this page are HI Series products manufactured by American Metal Filter Company (AMFCO) with .030" extruded aluminum alloy frames, corrugated aluminum mesh media, UL 900 Class 1 certification, and a 275°F maximum operating temperature rating.
Each filter is a permanent washable replacement — clean and reuse for 5–10 years rather than replacing disposable filters every 30–90 days. AMFCO’s aluminum mesh construction provides 43% average dust arrestance per ASHRAE 52.1, making these filters ideal pre-filters in multi-stage Carrier commercial HVAC systems protecting downstream MERV 8 through HEPA filtration stages in rooftop units, air handlers, and split systems.
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Key Benefits of Polyester Blend Media Washable Aluminum Mesh Filters
- MERV 8 Efficiency — Captures Dust, Pollen, Mold Spores, and Pet Dander: Independently tested and rated MERV 8 per ASHRAE Standard 52.2, the R8G102025 captures fine particulate including dust, pollen, mold spores, pet dander, and lint that lower-rated filters pass through. MERV 8 is the commonly specified minimum efficiency for commercial MERV 8 washable filter applications in HVAC systems and residential systems where improved indoor air quality is a maintenance objective, without the high pressure drop penalty of MERV 11 and MERV 13 alternatives
- Lasts At Least 3x Longer Than Standard Capacity Disposable MERV 8: The R8G Series reusable washable MERV 8 design outlasts standard capacity disposable MERV 8 alternatives by a factor of three or more — wash, dry, and reinstall rather than purchasing replacement filters on a recurring schedule. Reduced filter procurement, storage, and disposal costs make the R8G102025 the economical choice for commercial and institutional filter programs managing multiple filter positions and annual filter budgets
- Maintains MERV 8 Post Multiple Washings: The 3-ply polyester blend media with tackifier maintains MERV 8 efficiency after multiple wash cycles, providing consistent particulate capture performance throughout the filter’s service life. Unlike fiberglass or low-density foam filters that lose structural integrity when washed, the R8G’s polyester media construction is specified for “frequent and moderate” washability with confirmed post-wash MERV 8 performance
- Low Airflow Resistance: The R8G Series is engineered for low pressure drop at rated airflow of 295 FPM, providing MERV 8 efficiency without the airflow restriction that affects higher-MERV filters. Suitable for residential furnaces, rooftop units, and air handling units where maintaining design airflow is critical for system performance, comfort, and energy efficiency across the full operating range
- Galvanized Steel Frame — Sturdy Pop-Riveted Construction: The 24 gauge galvanized steel frame with precision-mitered corners secured with pop rivets provides structural rigidity for repeated installation and removal cycles, commercial building maintenance programs, and the handling demands of multi-position filter change-out operations. Galvanized construction resists corrosion in typical commercial HVAC humidity conditions throughout years of service
- Mechanical Filtration and Depth Loading: The R8G achieves MERV 8 efficiency through mechanical filtration and depth loading mechanisms rather than electrostatic effects, providing consistent particle capture throughout the media depth regardless of humidity, media age, or operating conditions. This depth-loading approach contributes to extended service intervals between cleaning cycles and more gradual pressure drop increase over the filter’s service life compared to surface-loading alternatives
- Data Centers and Crypto Mining Applications: Specifically highlighted by AMFCO for data center and cryptocurrency mining facility applications for a washable MERV 8 filter where MERV 8 particulate control, low airflow resistance, and washable MERV 8 filter design economics support the high-velocity, continuous-operation cooling requirements of compute-intensive environments where hardware protection from airborne particulate is a maintenance priority
- Excellent Pre-Filter for Multi-Stage HVAC Systems: The R8G makes an excellent washable MERV 8 pre-filter in RTUs, AHUs, and built-up filter banks with downstream MERV 11, MERV 13, or HEPA stages — capturing MERV 8 particles before they reach higher-cost downstream filter media, extending downstream filter service life and reducing overall filter system operating costs without sacrificing system filtration efficiency
- Made in USA by AMFCO — UL Classified 900: Manufactured by American Metal Filter Company with precision quality control ensuring consistent dimensional accuracy, proper fitment in standard HVAC housings, and reliable MERV 8 filtration performance. Supports domestic procurement requirements and Made in USA specification criteria for government and institutional facility procurement programs
Available Polyester Blend Media Filters — Complete Product Listing
All 94 Carrier-compatible washable aluminum mesh replacement filters available from Metal Air Filters, with nominal size, actual dimensions, and current pricing. Click any part number for full product details, specifications, and purchasing.
Common Specifications — HI Series Aluminum Mesh Filters
The following specifications apply to the HI Series aluminum mesh filters on this page. Individual products vary by nominal size, actual dimensions, dust holding capacity, and OEM compatibility — see each product page for complete product-specific specifications.
| Specifications: |
Details: |
| MERV Rating |
MERV 8 (per ASHRAE Standard 52.2) |
| Frame Material |
24 gauge galvanized steel |
| Frame Construction |
Precision-mitered corners secured with pop rivets; drain holes in three corners |
| Filter Type |
Pleated panel filter |
| Filtration Mechanism |
Mechanical filtration and depth loading |
| Rated Airflow |
295 FPM face velocity |
| Recommended Airflow Range |
250–350 FPM |
| Maximum Operating Temperature |
200°F continuous |
| Washability |
Frequent and Moderate — lasts at least 3x longer than standard capacity disposable MERV 8 |
| Compliance & Certifications |
UL Classified 900 |
| Country of Origin |
Made in USA |
Commercial & Industrial Applications
Carrier commercial HVAC equipment is deployed across a wide range of commercial, institutional, and industrial building types. The following applications represent the primary use cases for Polyester Blend Media permanent washable aluminum mesh filters.
The R8G102025 20x25x1 reusable MERV 8 pleated air filter delivers reliable MERV 8 particulate filtration across a broad range of residential, commercial, institutional, and industrial HVAC applications. The R8G Series is explicitly cited by AMFCO for use in “Data Centers, crypto mining facilities requiring a MERV 8 washable air filter, as well as residential, commercial and industrial HVAC applications where MERV 8 efficiency is desired”—a uniquely broad application range that reflects the versatility of MERV 8 efficiency, low airflow resistance, and washable reusable construction.
Residential HVAC — Furnaces and Air Handlers
Home furnaces and residential air handler units are the most common application for MERV 8 filters, where the R8G102025 provides superior particulate capture compared to standard fiberglass or MERV 4 filters while maintaining the low pressure drop required for proper airflow in residential forced-air systems. Homeowners with pets, allergy sensitivities, or indoor air quality concerns benefit from the R8G102025’s MERV 8 capture of dust, pet dander, pollen, and mold spores, while the washable MERV 8 design eliminates the recurring cost of purchasing replacement filters four to six times per year. The 20x25x1 nominal size fits standard furnace washable MERV 8 filter positions throughout residential HVAC systems, and the pop-riveted galvanized steel frame withstands years of regular homeowner filter handling. AMFCO recommends keeping a spare R8G102025 on hand so one filter is always clean and ready to install while the other completes its wash and dry cycle.
Schools, Offices, and Commercial Buildings
Educational facilities, office buildings, retail spaces, and commercial buildings operate HVAC systems where MERV 8 filtration supports indoor air quality for occupants, reduces dust accumulation on surfaces and equipment, and protects HVAC coils and components from particulate fouling. AMFCO explicitly lists schools and offices as target applications for the R8G Series, providing MERV 8 efficiency in a washable format that supports commercial building filter maintenance programs where facilities staff perform periodic filter cleaning rather than disposal and replacement. In multi-floor commercial buildings with numerous filter positions, the R8G102025’s washable MERV 8 filter design substantially reduces annual filter procurement and disposal costs compared to disposable filter programs of equivalent MERV rating, while maintaining the MERV 8 efficiency required for commercial occupancy indoor air quality objectives.
Data Centers and Crypto Mining Facilities
data centers and cryptocurrency mining facilities — key applications for a data center MERV 8 washable filter subject HVAC systems to continuous, high-demand cooling loads where airborne particulate contamination can degrade compute hardware performance, cause component failures, and shorten hardware service life. AMFCO specifically identifies data centers and crypto mining facilities as primary target applications for the R8G Series, recognizing that these environments require consistent MERV 8 particulate protection combined with low airflow resistance and a washable MERV 8 filter design compatible with the high-velocity cooling airflow rates and frequent maintenance access cycles of compute-intensive facilities. The R8G102025’s galvanized steel frame and polyester media construction withstand the demanding operating environment of data center cooling systems where high air velocities, continuous operation, and frequent inspection cycles place structural demands on filter components that cardboard-framed disposable alternatives cannot reliably meet over extended service periods.
Rooftop Units and Air Handling Units
Rooftop units (RTUs) and air handling units (AHUs) in commercial and institutional buildings represent a high-value application for the R8G102025, where AMFCO specifically notes the R8G as making “a great prefilter in multiple-stage, high-efficiency HVAC systems like Roof Top Units (RTUs) and Air Handling Units (AHUs).” As a washable MERV 8 pre-filter positioned upstream of MERV 11, MERV 13, or HEPA stages, the R8G102025 captures the larger particle fractions most likely to load downstream higher-cost filter media, extending downstream filter service life and reducing overall filter system operating costs without sacrificing system filtration efficiency. For RTU and AHU applications with periodic preventive maintenance access, the R8G102025’s washable MERV 8 filter design supports filter programs that clean rather than replace filters during scheduled maintenance visits, reducing filter procurement lead time requirements and material costs for building operations teams.
Government Buildings and Institutional Facilities
Government buildings, libraries, courthouses, healthcare facilities, and other institutional buildings operate HVAC systems subject to procurement and sustainability requirements that favor long-life, reusable components over single-use disposable alternatives. The R8G102025’s washable design supports facility sustainability objectives by reducing filter waste and the frequency of procurement cycles, while MERV 8 efficiency meets the particulate filtration requirements of most commercial institutional occupancies. Facilities with government procurement programs benefit from AMFCO’s Made in USA manufacturing for the R8G Series, supporting domestic sourcing requirements applicable to government building maintenance material procurement.
Polyester Blend Media — Related Search Terms
Customers searching for polyester air filters will find all compatible washable aluminum mesh replacement filters on this page. All polyester blend media products shown here are manufactured by American Metal Filter Company (AMFCO) as permanent, washable OEM replacements for Carrier commercial HVAC equipment. Whether searching for polyester air filters by Carrier part number or by nominal size, each filter shown here ships directly from AMFCO with full compatibility documentation.
Frequently Asked Questions
What is the MERV rating of the R8G102025?
The R8G102025 is rated MERV 8 per ASHRAE Standard 52.2, capturing particles in the 3–10 micron size range including dust, pollen, mold spores, pet dander, and lint.
How long does the R8G102025 last compared to disposable MERV 8 filters?
The R8G Series is rated to last at least 3x longer than standard capacity disposable MERV 8 filters. The R8G102025 is washed, dried, and reinstalled for multiple service cycles while maintaining MERV 8 efficiency post-washing.
How do I clean the R8G102025?
Rinse with a moderate-to-heavy stream of warm water in the direction OPPOSITE to airflow until water runs completely clear. Allow to drain and air dry completely before reinstalling. Do not use steam cleaning or chemical dips.
What are the actual dimensions of the R8G102025?
The R8G102025 has actual dimensions of 19.5″ H x 24.5″ W x 7/8″ D (±1/8″ on height and width). Nominal size is 20x25x1. The R8G uses a 1/2″ undercut on height and width.
Which direction must the pleats face when installing the R8G102025?
The AMFCO R8G Series installation specification requires pleats to run VERTICALLY in all installations. Horizontal pleat orientation is not permitted per the installation specification.
What is the rated airflow for the R8G102025?
The R8G102025 is rated at 295 FPM face velocity, with a recommended operating range of 250–350 FPM.
What is the maximum temperature for the R8G102025?
The R8G102025 is rated for continuous operation at 200°F, covering most residential, commercial, and light industrial HVAC applications.
Can the R8G102025 be used in data centers?
Yes — AMFCO specifically highlights data centers and cryptocurrency mining facilities as primary target applications for the R8G Series, combining MERV 8 hardware protection, low airflow resistance, and washable design economics for compute-intensive facility cooling systems.
