SKU: 43019


Vendor Kootenay
Regular price $319.95
Sale price $319.95 Regular price
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KOOTENAY STANDARD FILTER KFI 500 - High-Quality and Long-Lasting

Are you looking for a reliable and high-quality air filter for your home or business? Look no further than the KOOTENAY STANDARD FILTER KFI 500! This air filter is designed to provide superior performance and filtration, helping to keep your space clean and healthy.


With a flow rate of 420CFM and a size of 40''x50'', the KOOTENAY STANDARD FILTER KFI 500 is perfect for a wide range of applications, from residential homes to industrial workspaces. Made with the highest quality materials, this filter is built to last and will provide top-notch filtration for years to come.


At Best Air Filters, we understand that air quality is of the utmost importance, which is why we only offer the best air filters on the market. Our KOOTENAY STANDARD FILTER KFI 500 is no exception. With its superior design and long-lasting construction, this filter is sure to exceed your expectations and provide the clean air you need to live a healthy life.


So why wait? Order your KOOTENAY STANDARD FILTER KFI 500 today and start breathing easy! Free shipping is available on all orders, so there's no reason not to buy from Best Air Filters today.


  • Virgin activated, pelletized CKV-4 Carbon
  • Dedusted and screened
  • Low pressure drop rated @0.1 sec. contact time
  • Long service life
  • Max operating temperature 80°C / 176°F
  • Max allowed humidity 70% (short term only)
  • Prefilter installed
  • Robust galvanized steel housing
  • Single packaged and sealed for storage
  • Made in North America
  • 2.55” carbon bed
  • KFI flanges sold separately, available in 4” to 16”
  • Replacement Prefilter: 43054


CFM Ratings:
Max Exhaust CFM – 420
Max Recirculate CFM – 840