Actual Size: 20 x 25.5 x 4.38. Accumulair brand, 20x26x5 Lennox X8788 compatible whole house air filters, specifically built to be an alternative to the name brand Lennox X8788 filters. Completely constructed so no forming or combs required. MERV classified to ASHRAE ratings establishing filtration as good or better than the name brand Lennox X8788 air filters. Note: The sample air filter image as displayed is not true to size and is there to show construction only. Trade names and Lennox X8788 identifier are included for air filter replacement identification 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), and up to 8 weeks for bag filters.
Delivery normally takes another few days depending on location.
- 30-day 100% return policy.
Payment & Security
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