Discover our selection of 17.5x21x5 air filters, designed to enhance your indoor air quality and ensure your HVAC system operates efficiently. Crafted to capture dust, allergens, and other airborne particles, these filters help protect your home and loved ones from harmful contaminants. With a variety of options available, you can find the perfect filter that meets your specific needs and keeps your environment fresh and clean.
17.5x21x5 Air Filter
Enhance your indoor air quality with our efficient 17.5x21x5 air filters designed for optimal performance
Product List
SpiroPure MERV 8 Filters 6-Pack
Spiropure
Product Review Score
4.83 out of 5 stars
96 reviews$52.26
17.5x21x1 MERV 13 Filters - 4-Pack
Filter King
Product Review Score
4.17 out of 5 stars
73 reviews$62.99
Rheem/Ruud RXHF-E17AM10 Filters (2-Pack)
Product Review Score
4.48 out of 5 stars
24 reviews$150.73
MERV 13 Air Filter Pack
Filterbuy
Product Review Score
4.71 out of 5 stars
210 reviews$85.56 $81.28
Filter King 17.5x23.5 Air Filter Trio
Filter King
Product Review Score
4.83 out of 5 stars
128 reviews$34.97
MERV 8 Replacement Filters - 2 Pack
Spiropure
Product Review Score
4.68 out of 5 stars
32 reviews$68.17
Finding the right air filter for your HVAC system is crucial for maintaining clean air quality in your home or office. Our 17.5x21x5 air filters are designed to capture airborne particles, ensuring that you breathe in fresh, filtered air. With their high efficiency, these filters not only prolong the life of your HVAC system but also reduce energy costs by allowing it to run more effectively.
Constructed from premium materials, our 17.5x21x5 air filters offer exceptional durability and performance. They are suitable for a variety of settings, including residential and commercial environments, making them a versatile choice for any air filtration need. Investing in quality air filters not only protects your health but also contributes to a cleaner and more comfortable living space.