Discover our selection of 18x18x1 air filters, designed to enhance your indoor air quality by effectively trapping dust, allergens, and other airborne particles. These filters are compatible with a variety of HVAC systems, ensuring optimal performance and efficiency for your home or office. Choose from a range of MERV ratings to find the perfect balance between airflow and filtration effectiveness, tailored to your specific needs.
18x18x1 Air Filter
Keep your indoor air clean and fresh with our high-quality 18x18x1 air filters designed for optimal performance
Product List
18x18x1 MERV 8 Filters (6-Pack)
Filterbuy
Product Review Score
4.5 out of 5 stars
154 reviews$48.84
True Blue MERV 11 Filters 4-Pack
True Blue
Product Review Score
4.76 out of 5 stars
208 reviews$39.96
Filtrete MERV 11 Air Filters 6-Pack
Filtrete
Product Review Score
4.44 out of 5 stars
215 reviews$106.99 $92.89
18x18x1 MERV 8 Filters (12-Pack)
Filterbuy
Product Review Score
4.45 out of 5 stars
201 reviews$86.64
18x18 MERV 8 Air Filters - 2 Pack
Aerostar
Product Review Score
4.1 out of 5 stars
35 reviews$25.55
18x18 MERV 11 Air Filters (2-Pack)
Filterbuy
Product Review Score
4.88 out of 5 stars
147 reviews$28.92
Maintaining optimal air quality in your home or office is crucial, and our 18x18x1 air filters are designed to help you achieve just that. These filters trap dust, pollen, pet dander, and other airborne particles, ensuring that the air you breathe is clean and healthy. With a perfect fit for standard HVAC systems, replacing your filter regularly can help improve energy efficiency and prolong the life of your heating and cooling units.
Our 18x18x1 air filters come in various MERV ratings, allowing you to choose the level of filtration that best meets your needs. Whether you are sensitive to allergies or simply want to maintain a cleaner environment, there's an option for everyone. Browse our selection today and experience the difference in air quality for yourself!