Actual dimensions are 19.88 x 24.88 x 4.38. Accumulair brand, 20x25x5 Lennox X7751 substitute whole house air filters, exactly built to replace original manufacturer Lennox X7751 filters. Fully box-formed with no assembly or combs needed. MERV classified to ASHRAE standards assuring particle capture equal to the name brand Lennox X7751 filter. Note: Example air filter image shown is not the actual dimensions and is there to show construction purposes only. Trade names and Lennox X7751 identifier displayed for filter replacement identification use.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
Due to shortages and demand the current lead time is up to 10 business days to process.
Orders take 1-3 business days to process.
(Custom & bag filters take 5-7 business days.)
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
Payment & Security
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