Best Activated Carbon Furnace Filters of 2025

The Filterbuy 16x25x1 Air Filter is a pack of 4 replacement filters for your HVAC system, with actual size of 15.50" x 24.50" x 0.75". It features MERV 8 synthetic media with odor eliminator, capturing 90% of airborne particles while preventing adverse smells without impacting air flow. The pleated design enhances performance and durability, while the industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs. All components are made in the USA with recyclable materials.

The BNX TruFilter Air Filter is designed to enhance the air quality in your home. Its MERV 12 rating means it effectively captures 93% of microscopic particles like pollen, mold, and smoke, ensuring you breathe cleaner air within just 48 hours. With its activated carbon feature, this filter also helps eliminate odors, making your indoor environment fresher. Additionally, being made in the USA from recycled materials, this filter not only supports sustainability but also boasts a low airflow resistance, allowing your HVAC system to operate efficiently while providing optimal filtration.

Filterbuy offers a 4-pack of 20x20x1 replacement air filters designed for your furnace, air conditioner, heat pump, or HVAC system. The MERV 8 synthetic media has an odor eliminator feature and can trap up to 90% of airborne particles without affecting the air flow. These filters have an electrostatically charged, pleated design to capture more harmful particles and last 3 times longer than fiberglass models. The industrial-grade beverage board frames with dual wire backings offer better performance than standard cardboard designs. All components are made in the USA with recyclable materials.

The Filterbuy MERV 8 Filter is designed for your HVAC systems, including furnaces and air conditioners. Its actual size ensures a perfect fit. With a MERV 8 rating, this filter effectively traps 90% of airborne particles while also eliminating unpleasant odors, improving the air quality in your home. The electrostatically charged design features 16 pleats per foot, which means it captures more harmful particles and lasts three times longer than standard fiberglass filters. Easy to install, the durable beverage board frames withstand extreme temperatures, providing you with reliable performance and peace of mind.

The Demiwise Carbon Filter Sheet is a versatile air filter that fits various air purifiers like Honeywell and GermGuardian. Its large size allows you to cut it to any shape you need, making it perfect for air vents, range hoods, and even compost bins. With its extra thickness, this filter captures dust, odors, and smoke more effectively than traditional filters. Additionally, it offers a cost-effective solution, as you can customize it into smaller pieces, saving you money while ensuring your air quality remains high.

Filterbuy 16x25x1 Air Filter MERV 8 Odor Eliminator (6-Pack) is a high-quality air filter replacement that traps 90% of airborne particles, while eliminating odors with activated carbon. The filter is electrostatically charged and pleated to capture more harmful particles and lasts 3 times longer than fiberglass models. The industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs. All components are recyclable and made in the USA.

The BNX TruFilter MERV 12 is designed to enhance your air quality significantly. With its activated carbon and MERV 12 rating, it captures up to 93% of microscopic particles like pollen, mold, and smoke, ensuring cleaner air in your home within just 48 hours. This filter is made in the USA using sustainable materials, minimizing environmental impact. Its electrostatically charged media allows for superior airflow resistance, making it efficient for your HVAC system. You can enjoy fresh, breathable air while knowing you're using a product that supports American manufacturing and environmental responsibility.

The Nordic Pure MERV 12 Pleated Plus Carbon Honeywell Replacement Air Filters 2 Pack is designed to replace Honeywell 20x25x4 and similar filters with a depth of 4 3/8. The filter provides high air filtration and odor control with its MERV 12 rating that is equivalent to MPR 1500-1900. The filter is made in the USA and has an actual size of 19 7/8 x 24 7/8 x 4 3/8, which should be compared to the size of the air filter to ensure proper fit.

The Filterbuy MERV 8 Filter is designed for your furnace, air conditioner, or HVAC system, ensuring cleaner air in your home. With its MERV 8 rating, it effectively eliminates odors and captures 90% of airborne particles, allowing you to breathe easier. The filter's electrostatically charged design, featuring 16 pleats per foot, increases its lifespan, lasting three times longer than standard fiberglass filters. Plus, its durable frame resists extreme temperatures, making installation a breeze and enhancing the overall performance of your air system.

The AIRx Carbon Filter is designed to enhance your indoor air quality with advanced features. Infused with activated carbon, it effectively neutralizes odors, keeping your home smelling fresh. Its MERV 8 rating means it captures tiny particles like dust and pet dander, helping you breathe easier. Built for durability, this filter lasts up to three months, minimizing the need for frequent replacements. Plus, it's compatible with most HVAC systems, making installation a breeze. Upgrade your air filtration effortlessly and enjoy a cleaner, healthier living space.