Actual size is 19.75 x 20.75 x 4.88. Accumulair brand: 20x20x5 Trion Air Bear 435790-001 replacement whole house filters, specifically built to substitute for the OEM Trion Air Bear 435790-001 air filters. Completely box-formed with no assembly or combs needed. MERV rated to ASHRAE 52.2 test specs assuring filtration as good or better than the original brand Trion Air Bear 435790-001 air filter. Note: The sample filter image as displayed is not the actual dimensions and is there to show construction only. Company names and Trion Air Bear 435790-001 P/N included for air filter replacement identification.
Shipping and Returns
- Lead times vary and are listed at the top of the website. Non-standard sizes (custom, 0.5" thick, etc) take 3-4 weeks for delivery.
- Shipping is FREE to the contiguous United States.
- 30-day 100% return policy.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.