Best Spiropure Furnace Filters in 2026

20x20x1 MERV 8 air filter replacement for your air conditioner, furnace or HVAC system. Actual Size: 15 11/16’’ x 19 11/16’’ x 3/4‘’. Comparable with MPR 600 & FPR 5. Electrostatically charged filter media with industry leading low air flow resistance.

MADE IN USA, SUSTAINABLY - Proudly manufactured by BNX Converting, LLC in Houston, TX, a registered and approved facility (EPA Registration # 101638-TX-1). Adopts single sided (one-piece) frame technology to reduce environmental waste and made sustainably from recycled cardboard.

SUPERIOR PERFORMANCE - The BNX MERV 8 100% synthetic electrostatically charged air filter media outperforms standard fiberglass filters and adopts the latest in electrostatic filtration technology to allow for industry leading superior low air flow resistance while maintaining the highest grade level of filtration.

Enhanced HVAC Effectiveness – Crafted to help improve your home’s ventilation efficiency, proper air flow can help reduce air flow resistance for less HVAC stress.

Cleaner, Healthier Air – These air conditioner filters help purify the air, which can help reduce itchy eyes and sneezing.

Premium Craftsmanship – Each HVAC air filter is crafted with four layers of high-grade aluminum and two layers of electrostatic media for superior reliability.

30x32x2 NOMINAL: The actual size of this replacement filter is 29.5" x 31.5" x 1.75"

MERV 13 RATING: With an efficiency of 90% or better, these filters are a great choice for inpatient hospitals and other commercial environments that require increased filtration.

CAPTURES PARTICLES: Breathe easier in your home as our filter clears the air of dust, lint, hair, debris, and other indoor impurities.

20x23x4 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19.50" x 22.50" x 3.63")

MERV 8 synthetic media (comparable with MPR 600 & FPR 5) protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow

High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products lifespan by 3 times that of fiberglass models

Quality alternative to the OEM filter that offers more affordability without compromising filtration performance or efficiency.

Compatible with Honeywell / Trane / American Standard TRN2621T1, BAYFTAH26M, BAYFTAH26M2, and FLR06074 whole house air filters.

21x26x5 NOMINAL: The actual size of this replacement filter is 25.7" x 20.1" x 5".

20x22x1 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19.50" x 21.50" x 0.75")

MERV 8 (Odor Eliminator) synthetic media (comparable with MPR 600 & FPR 5) protects homes from adverse smells while trapping 90% of airborne particles without impacting air flow

High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products lifespan by 3 times that of fiberglass models

Nominal: 16x25x2, Size: 15 1/2"x24 1/2"x1 3/4" 16x25x2, AC Furnace Air Filter

Comparable to MPR 1000 to 1200 Micro Allergen Defense

Comparable to Honeywell Allergen Plus FPR 8

16x18x1 NOMINAL: The actual size of this replacement filter is 15.5x17.5x0.75

MERV 11 RATING: With an efficiency of 85% or better, these filters are usually the best option for residential homes & light commercial applications that have pets or suffer from asthma, severe allergies, or other respiratory problems.

CAPTURES PARTICLES: Breathe easier in your home as our filter clears the air of dust, lint, smoke, auto emissions, and other indoor pollutants.

Breathe In Clean Air - Maintain excellent air quality in your living space with these MERV 6 air filters.

Maintain Optimal Air Flow - Help your HVAC system function at its best each day. Measuring 20x30x1", our replacement HVAC filters without restricting airflow.

A Snug & Seamless Fit - Our thick furnace filter pads will easily fit most vents with standard dimensions. You may also cut down the filtration media to your preferred size using a pair of scissors.

10x30x1 NOMINAL: The actual size of this replacement filter is 9.5" x 29.5" x 0.75"

MERV 8 RATING: With an efficiency of 70% to 85%, these filters are usually the best option for most residential homes & light commercial units, ensuring airflow in your HVAC system is unrestricted.

CAPTURES PARTICLES: Breathe easier in your home as our filter clears the air of dust, lint, and other indoor pollutants.

16x20x2 NOMINAL: The actual size of this replacement filter is 15.5" x 19.5" x 1.75"

MERV 8 RATING: With an efficiency of 70% to 85%, these filters are usually the best option for most residential homes & light commercial units, ensuring airflow in your HVAC system is unrestricted.

CAPTURES PARTICLES: Breathe easier in your home as our filter clears the air of dust, lint, and other indoor impurities.

Nominal: 16x25x2, Size: 15 1/2"x24 1/2"x1 3/4" 16x25x2, AC Furnace Air Filter

Comparable to MPR 1000 to 1200 Micro Allergen Defense

Comparable to Honeywell Allergen Plus FPR 8

28x30x2 NOMINAL: The actual size of this replacement filter is 27.5" x 29.5" x 1.75"

MERV 8 RATING: With an efficiency of 70% to 85%, these filters are usually the best option for most residential homes & light commercial units, ensuring airflow in your HVAC system is unrestricted.

CAPTURES PARTICLES: Breathe easier in your home as our filter clears the air of dust, lint, and other indoor impurities.

30x36x2 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 29.81" x 35.81" x 1.75")

MERV 8 synthetic media (comparable with MPR 600 & FPR 5) protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow

High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products lifespan by 3 times that of fiberglass models

28X30X1 ACTUAL: The actual size of this replacement filter is 28"X30"X0.75"

MERV 8 RATING: With an efficiency of 70% to 85%, these filters are usually the best option for most residential homes & light commercial units, ensuring airflow in your HVAC system is unrestricted.

CAPTURES PARTICLES: Breathe easier in your home as our filter clears the air of dust, lint, and other indoor impurities.

14x18x1 NOMINAL: The actual size of this replacement filter is 13.5" x 17.5" x 0.75"

MERV 11 RATING: With an efficiency of 85% or better, these filters are usually the best option for residential homes & light commercial applications that require slightly increased filtration of particles, such as those with pets

CAPTURES PARTICLES: Breathe easier in your home as our filter clears the air of dust, lint, hair, debris and other indoor impurities.

16x16x2 NOMINAL: The actual size of this replacement filter is 15.75" x 15.75" x 1.75"

MERV 8 RATING: With an efficiency of 70% to 85%, these filters are usually the best option for most residential homes & light commercial units, ensuring airflow in your HVAC system is unrestricted.

CAPTURES PARTICLES: Breathe easier in your home as our filter clears the air of dust, lint, and other indoor impurities.

15x30x1 NOMINAL: The actual size of this replacement filter is 14.5" x 29.5" x 0.75"

MERV 11 RATING: With an efficiency of 85% or better, these filters are usually the best option for residential homes & light commercial applications that require slightly increased filtration of particles, such as those with pets

CAPTURES PARTICLES: Breathe easier in your home as our filter clears the air of dust, lint, hair, debris and other indoor impurities.