Discover our selection of 21x23.5x5 air filters designed to enhance the air quality in your home or office. These filters effectively capture dust, allergens, and other airborne particles, ensuring a cleaner and healthier environment. With options to suit various HVAC systems, you can find the perfect fit for optimal performance and longevity.
21x23.5x5 Air Filter
Improve your indoor air quality with our efficient 21x23.5x5 air filters designed for optimal performance
Product List
AIRX FILTERS WICKED CLEAN AIR. 21.5x23.5x1 Ai...
Airx Filters
Product Review Score
4.81 out of 5 stars
220 reviews$44.99
Aerostar 21 1/2x23 1/2x1 MERV 11 Pleated Air...
Aerostar
Product Review Score
4.32 out of 5 stars
221 reviews$70.67
AIRX FILTERS WICKED CLEAN AIR. 21.5x23.5x1 Ai...
Airx Filters
Product Review Score
4.27 out of 5 stars
78 reviews$66.00
21x23.5x5 MERV 8 Trane/American Standard BAYF...
Spiropure
Product Review Score
4.1 out of 5 stars
118 reviews$60.22
Filterbuy 21x23.5x1 Air Filter MERV 8 Dust De...
Filterbuy
Product Review Score
4.28 out of 5 stars
24 reviews$66.14
Simply Filters 21.5x23.5x1 MERV 8, MPR 600, A...
Simply
Product Review Score
4.33 out of 5 stars
115 reviews$48.99
Filterbuy 21x23.5x5 Air Filter MERV 13 Optima...
Filterbuy
Product Review Score
4.63 out of 5 stars
216 reviews$89.63
Filterbuy 21x23.5x1 Air Filter MERV 8 Dust De...
Filterbuy
Product Review Score
4.18 out of 5 stars
14 reviews$164.76
Filterbuy 21x23.5x1 Air Filter MERV 8 Dust De...
Filterbuy
Product Review Score
4.79 out of 5 stars
24 reviews$51.58
Our 21x23.5x5 air filters are designed to provide superior filtration to enhance the air quality in your home or office. Crafted from high-quality materials, these filters effectively trap dust, pollen, and other airborne particles, ensuring that you breathe cleaner air. With their precise dimensions, they seamlessly fit into your HVAC systems, making replacement a breeze.
When you invest in a 21x23.5x5 air filter, you're choosing not just a product, but a healthier environment for yourself and your loved ones. Regularly changing your air filter can help prolong the life of your heating and cooling systems, leading to energy savings and improved efficiency. Explore our selection today to find the perfect filter for your needs and experience the difference in air quality!