Keeping your air conditioner running efficiently requires regular filter changes, and a reliable air conditioner filter subscription can simplify this task. Alongside convenient subscription options, choosing the right filter based on size, material, and filtration efficiency is critical for clean air and unit longevity. Below is a summary table of the top air conditioner filters available, which can be sourced easily through subscription services or one-time purchases to match your specific HVAC needs.
| Product Name | Brand | Key Feature | Size |
|---|---|---|---|
| BNX TruFilter 20x20x1 Air Filter MERV 8 (6-Pack) | BNX | Electrostatic, MERV 8, Low airflow resistance | 20x20x1 inches |
| Filtrete 20x20x1 AC Furnace Air Filter, MERV 11 | Filtrete | Micro Allergen Defense, 3-in-1 technology | 20x20x1 inches |
| MADHOLLY Extra Large Cuttable AC Filters | MADHOLLY | Cut-to-fit, washable reusable foam pad | 15.7″ x 59″ |
| Supplying Demand WJ85X10173 AC Filter Screen | Supplying Demand | Replacement filter screen, specific models | 12-7/8 x 7-3/8 inches |
| Wintcomfort Room AC Filter Replacement | Wintcomfort | Electrostatic polyester, cut-to-fit | 24″ x 15″ x 1/4″ |
Content Navigation
- BNX TruFilter 20x20x1 Air Filter MERV 8
- Filtrete 20x20x1 AC Furnace Air Filter, MERV 11
- MADHOLLY Extra Large Cuttable Air Conditioner Filters
- Supplying Demand WJ85X10173 Air Conditioner Filter Screen
- Wintcomfort Room Air Conditioner Filter Replacement
- Buying Guide for Air Conditioner Filter Subscriptions and Replacement Filters
BNX TruFilter 20x20x1 Air Filter MERV 8

The BNX TruFilter 20x20x1 is a highly efficient MERV 8 filter engineered with electrostatically charged synthetic media to capture dust, pet dander, mold, pollen, and other contaminants efficiently. Manufactured in the USA with sustainable materials, it features a single-sided one-piece frame reducing environmental waste. The filter’s low airflow resistance makes it ideal for maintaining HVAC efficiency while delivering superior filtration compared to standard fiberglass options.
Designed to fit standard 20x20x1 inch air conditioners and furnaces, this filter is comparable to MPR 600 and FPR 5 ratings, striking a balance between airflow and particle capture, suitable for homes with moderate allergy concerns.
Filtrete 20x20x1 AC Furnace Air Filter, MERV 11

The Filtrete 20x20x1 MERV 11 furnace and air conditioner filter utilizes proprietary 3-in-1 technology to effectively trap microscopic allergens and airborne particles. Rated MPR 1000, it is designed to improve indoor air quality by capturing dust, pollen, pet dander, and smoke particles.
This product comes as a 2-pack, each lasting approximately 3 months, providing a convenient replacement cycle. Its actual dimensions slightly vary from nominal, fitting most standard AC units and HVAC systems. The electrostatic pleated design maximizes filtration surface area while allowing adequate airflow.
MADHOLLY Extra Large Cuttable Air Conditioner Filters

The MADHOLLY cut-to-fit air conditioner filters come in extra-large sizes allowing customization to a variety of AC models and air purifiers. Its washable, reusable foam pad captures large particles like hair, lint, and smoke, protecting the main filter and extending overall filter life.
At 5/16 inch thickness, these foam pre-filters provide an effective barrier against coarse pollutants and are environmentally friendly, washable, and reusable. Their versatile design fits window-mounted AC units and purifiers, making them an economical and sustainable choice for regular maintenance.
Supplying Demand WJ85X10173 Air Conditioner Filter Screen

The Supplying Demand WJ85X10173 air conditioner filter screen is designed for specific room air conditioning units. Measuring 12-7/8 by 7-3/8 inches, it serves as a direct replacement to reduce airborne particles passing through your window unit, helping maintain performance and air cleanliness.
This white filter screen complements various model numbers and includes alternate part numbers for cross-compatibility. Its primary function is as a dust and debris barrier, supporting unit efficiency without compromising airflow.
Wintcomfort Room Air Conditioner Filter Replacement

The Wintcomfort Room Air Conditioner Filter Replacement features an electrostatic non-woven polyester fabric that offers superior filtration compared to traditional foam filters. Sized 24 x 15 x 1/4 inches, it’s cut-to-fit for most window air conditioning units, effectively trapping dust, pollen, and dander.
Its durable design improves indoor air quality and comfort while being customizable to fit various unit sizes. Ideal for households with allergies or pets, this replacement filter is washable and helps prolong the life of your AC system by reducing impurities.
Buying Guide for Air Conditioner Filter Subscriptions and Replacement Filters
When selecting an air conditioner filter subscription or replacement product, consider the following factors to ensure optimal performance and air quality:
Filter Size and Compatibility
Make sure the filter dimensions match your HVAC or air conditioner unit exactly. Many products specify nominal and actual sizes, so measure your existing filter or unit slot before ordering. Custom cuttable filters offer versatility if you have uncommon unit sizes.
Filtration Rating (MERV, MPR, FPR)
Filters come with ratings that measure their particle capture efficiency. MERV ratings range from 1 to 16+, with higher ratings filtering finer particles. MPR (Microparticle Performance Rating) and FPR (Filter Performance Rating) also gauge performance. For typical home use, MERV 8 to 11 balances good filtration with airflow. Higher MERV filters are recommended for allergy sufferers but may restrict airflow if your system isn’t designed for them.
Filter Material and Technology
Electrostatic pleated filters capture particles effectively while maintaining airflow. Foam pre-filters protect deeper filters from larger particles and extend filter lifespan. Washable and reusable filters are eco-friendly and cost-saving but require maintenance.
Subscription Convenience
Subscription services offer regular deliveries, ensuring timely replacements. Look for plans that offer flexible schedules, easy cancellations, and shipment tracking. Some manufacturers integrate smart reminders or usage tracking for optimal replacement timing.
Environmental Impact
Filters made from sustainable or recycled materials reduce waste, and reusable options minimize landfill contributions. Consider environmentally conscious brands without sacrificing filtration quality.
Allergy and Health Considerations
If allergies or respiratory issues are a concern, choose filters certified for asthma and allergy-friendliness with higher MERV ratings. These filters capture finer particles like pollen, mold spores, and pet dander.
Choosing the right filter and subscription service aligns with your home environment needs and HVAC system requirements, delivering cleaner air and enhanced system efficiency year-round.