Choosing the right air conditioner filter with scent or odor-reducing qualities can transform your indoor air quality, especially if you have pets or allergies. The following table summarizes top air conditioner filters that help reduce odors and improve air freshness effectively.
Product | Brand | Main Feature | Dimensions |
---|---|---|---|
Colorfil 20x20x1 Air Filter (2-Pack) | Colorfil | Color-changing filter that removes pet odors and hair | 19.5″ x 19.5″ x 0.75″ |
Arm & Hammer Max Allergen & Odor Reduction 20x20x1 | Arm & Hammer | MERV 11 filter traps allergens and neutralizes odors | 20″ x 20″ x 1″ |
MEWTOGO 2 Pcs Window Air Conditioner Filters | MEWTOGO | Cut-to-fit foam filter removing dust, pollen, and smoke | 24″ x 15″ x 1/4″ |
Duck Brand Replacement Air Conditioner Foam Filter | Duck | Washable foam filter eliminating dust and pollen | 24″ x 15″ x 1/4″ |
Colorfil 18x18x1 Air Filter (Pack of 2) | Colorfil | Dynamic, color-changing filtration focused on pet odors | 17.75″ x 17.75″ x 0.75″ |
Content Navigation
- Colorfil 20x20x1 Air Filter for Pet Odor Control
- Arm & Hammer Max Allergen & Odor Reduction 20x20x1 Filter
- MEWTOGO Foam Replacement Filters for Window AC Units
- Duck Brand Replacement Foam Filter for AC
- Colorfil 18x18x1 Pet Odor Color-Changing Air Filter
- Buying Guide: How To Choose The Best Air Conditioner Filter with Scent Benefits
Colorfil 20x20x1 Air Filter for Pet Odor Control

This Colorfil air filter is uniquely designed to combat pet odors, providing a pleasant scented environment even in homes with cats and dogs. Made in the USA with NASA-grade filtration technology, it was originally developed to protect astronauts from harmful gases. The filter features an innovative color-shift technology that acts like a sentry, changing color as it captures odors and particulates such as pet hair, dust, and dander. It has a MERV 8 rating suited for trapping larger allergens while maintaining airflow.
Arm & Hammer Max Allergen & Odor Reduction 20x20x1 Filter

The Arm & Hammer Max Allergen & Odor Reduction Filter provides an advanced level of filtration with its MERV 11 rating. It traps up to 79% of particles between 3 to 10 microns, including pollen, pet dander, smoke, and microscopic allergens. The electrostatically charged media improves filter performance by attracting smaller airborne contaminants, making it highly effective in odor and allergen reduction for home HVAC units, heat pumps, air conditioners, and furnaces.
MEWTOGO Foam Replacement Filters for Window AC Units

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The MEWTOGO foam filters are designed for wide compatibility with popular air conditioner models such as FRIEDRICH, GE, HEPA, and more. Measuring 24 x 15 x 1/4 inches, these filters can be cut to fit ensuring custom sizing for various units. They efficiently capture common indoor air pollutants like dust, lint, smoke, pet hair, and pollen, improving indoor air quality and reducing odors without added scent chemicals.
Duck Brand Replacement Foam Filter for AC

The Duck Brand foam filter uses polyurethane foam that is both washable and reusable, offering an eco-friendly filtration solution. It helps eliminate dust and pollen, common allergens contributing to household odors. It can be trimmed to custom sizes, making it versatile for many window air conditioner models. Though it does not add scent, the improved filtration reduces odor-causing contaminants.
Colorfil 18x18x1 Pet Odor Color-Changing Air Filter

This smaller sized Colorfil filter uses the same advanced, pet-friendly technology as its larger counterpart. It helps block bad scents, pet hair, dust, and allergens through NASA-derived filtration methods. The color-changing indicator allows users to visually detect when it’s time to replace the filter for optimal performance and odor control, promoting healthier indoor air in homes with pets.
Buying Guide: How To Choose The Best Air Conditioner Filter with Scent Benefits
When selecting an air conditioner filter to improve air quality and provide scent benefits, consider these key factors:
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- Filtration Efficiency: Look for filters with appropriate MERV ratings such as MERV 8 to MERV 11, which efficiently capture pet dander, pollen, dust, and other allergens.
- Odor Control Technology: Some filters feature activated carbon layers or color-changing technologies that capture and neutralize odors, especially from pets or smoke.
- Pet-Friendly Features: Filters specifically designed to reduce pet hair and odors enhance indoor air freshness in homes with cats or dogs.
- Compatibility and Size: Measure your air conditioner filter slot carefully and select filters that match or can be cut to fit the dimensions. Foam filters often allow custom trimming.
- Washability and Reusability: Foam filters tend to be washable and reusable, providing a cost-effective and eco-friendly way to maintain clean air with minimal waste.
- Additional Scent Options: While some filters neutralize odors, others offer light scent features. Choose based on your sensitivity and preference to added fragrances in your environment.
- Durability and Replacement Frequency: Consider how often you will need to replace the filter. Color-changing indicators help monitor filter life for optimal performance.
Choosing a high-quality air conditioner filter designed to reduce odors and allergens can significantly enhance your indoor comfort. Filters combining advanced filtration with odor neutralization are ideal for freshening home air naturally, particularly in pet-friendly households.