Actual Dimensions: 16.38 x 25.5 x 4.38. Accumulair brand, 16x26x5 Lennox X8789 replacement whole house air filters, exactly built to replace OEM Lennox X8789 filters. Fully box-formed so no forming or combs required. MERV graded to ASHRAE 52.2 test ratings assuring filtration as good or better than the OEM Lennox X8789 filters. Photo: The sample air filter picture shown is not true to size and is shown for design purposes only. Brand names and Lennox X8789 P/N are included for filter style purposes.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- Our current lead times are 3-5 business days for stocked filters (standard 1"-5" thick sizes), up to 3 weeks for made-to-order filters (non-standard and 0.5" sizes).
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
Payment & Security
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