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
MERV 8 Pleated Air Filters 3-Pack
Filterbuy
Product Review Score
4.39 out of 5 stars
158 reviews$143.94
MERV 11 Allergen Filters - 3-Pack
Filterbuy
Product Review Score
4.61 out of 5 stars
169 reviews$165.06
23.5" MERV 13 Air Filters (4-Pack)
Filterbuy
Product Review Score
4.09 out of 5 stars
131 reviews$89.84 $69.96
23.5x23.5 MERV 8 Filters
Filterbuy
Product Review Score
4.33 out of 5 stars
74 reviews$58.44 $44.95
Aerostar MERV 13 Filters 2-Pack
Aerostar
Product Review Score
4.48 out of 5 stars
146 reviews$106.19
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!