Choosing the right portable air conditioner filter is essential for maintaining clean air and optimal cooling performance. These filters help capture dust, odors, and airborne particles, extending your unit’s life and improving air quality. Below is a summary of the top-rated filters compatible with popular portable AC models, emphasizing activated carbon, foam, and washable filter types to suit different needs.
Product | Brand | Type | Size | Key Feature |
---|---|---|---|---|
ARC-14S Activated Carbon Filter | Sxkxm | Activated Carbon | 15.35″ x 7.48″ | Filters odors & chemical fumes for Whynter ACs |
WJ85X10173 Room AC Filter Screen Replacement | Supplying Demand | Screen | 12-7/8″ x 7-3/8″ | Reduces airborne particles for specific room units |
Extra Large Cuttable Foam & Carbon Pad Filter | MADHOLLY | Foam / Carbon Pad | 15.7″ x 59″ | Washable, reusable, cut-to-fit foam pre-filter |
Wintcomfort Cut-to-Fit AC Filter | Wintcomfort | Electrostatic Non-Woven Polyester | 24″ x 15″ x 1/4″ | Enhanced particle trapping for window units |
Whynter ARC-CF-14S Carbon Filter Replacement | Whynter | Activated Carbon | Compatible with Whynter ARC-14S series | Removes odors, chemical fumes, and dust |
Content Navigation
- ARC-14S Activated Carbon Filter Compatible with Whynter
- Supplying Demand WJ85X10173 Air Conditioner Filter Screen
- MADHOLLY Extra Large Cuttable Air Conditioner Filters
- Wintcomfort Room Air Conditioner Cut-to-Fit Filter
- Whynter ARC-CF-14S Activated Carbon Replacement Filter
- Buying Guide for Portable Air Conditioner Filters
ARC-14S Activated Carbon Filter Compatible with Whynter

The ARC-14S Activated Carbon Filter by Sxkxm is designed specifically for Whynter portable AC models such as ARC-CF-14S, ARC-14SH, ARC-141BG, and ARC-143MX. Made from activated carbon filter cotton, it effectively absorbs odors, smoke, and chemical fumes while being lightweight and corrosion-resistant.
This filter measures 15.35 inches by 7.48 inches and fits precisely into compatible units without the need for tools or technical expertise, ensuring a seamless installation. It enhances air quality by removing unpleasant smells and contaminants.
Supplying Demand WJ85X10173 Air Conditioner Filter Screen

This filter from Supplying Demand fits a variety of room air conditioners and measures approximately 12-7/8 inches by 7-3/8 inches. It serves as a basic air filter screen reducing the amount of airborne particles passing through the AC unit.
Compatible with alternate part numbers AP4538886 and AH2577777 among others, this screen is an essential replacement for keeping the inner unit clean and maintaining airflow efficiency.
MADHOLLY Extra Large Cuttable Air Conditioner Filters

The MADHOLLY filter offers versatility with its extra large 15.7″ x 59″ foam pad carbon sheet that can be cut to fit a wide range of portable AC and air purifier models. The foam pre-filter captures large particles such as dust, pet hair, lint, smoke, and volatile organic compounds (VOCs).
Its 5/16 inch thickness delivers superior particle blocking compared to thinner options. Additionally, the washable and reusable feature promotes sustainability and cost savings by extending filter life.
Wintcomfort Room Air Conditioner Cut-to-Fit Filter

Constructed from electrostatic non-woven polyester, the Wintcomfort filter offers improved filtration over standard foam materials. Sized at 24 inches by 15 inches and 1/4 inch thick, it is designed to fit most window AC units and can be cut for a custom fit.
This filter helps trap common allergens such as dust, pollen, and dander, contributing to improved indoor air quality and enhanced comfort.
Whynter ARC-CF-14S Activated Carbon Replacement Filter

The Whynter branded ARC-CF-14S replacement filter is compatible specifically with Whynter portable air conditioners including ARC-14S, ARC-14SH, and ARC-141BG models. This activated carbon filter removes chemical fumes, smoke, pet odors, and dust particles effectively.
It is a reliable choice for maintaining clean and fresh indoor air, optimizing the unit’s performance while filtering out airborne impurities.
Buying Guide for Portable Air Conditioner Filters
When selecting the best filter for your portable air conditioner, consider the following factors to ensure optimal performance and air quality:
- Compatibility: Filters must match your AC unit’s make and model. Verify dimensions and model numbers to ensure a proper fit.
- Filter Type: Activated carbon filters excel at removing odors and chemical fumes. Foam and electrostatic polyester filters are better for capturing dust, pollen, and larger particles.
- Size and Cut-to-Fit: Filters that can be cut to size offer versatility for different unit types and custom fitting needs.
- Maintenance: Washable and reusable filters provide cost savings and eco-friendliness, while disposable filters require regular replacement.
- Filtration Efficiency: Consider filters with multi-layer capabilities or enhanced density for superior capture of smaller airborne particles and allergens.
- Installation Ease: Filters designed for tool-free installation simplify maintenance and reduce downtime.
- Durability: Quality materials such as activated carbon cotton and electrostatic fabric offer longer use and consistent filtration performance.
By evaluating these factors, you can select a filter that enhances your portable air conditioner’s efficiency, extends its service life, and improves the overall air quality in your living space.