Actual Dimensions: 15.88 x 24.88 x 4.38. Accumulair brand, 16x25x5 Lennox X6660 compatible whole house air filters, specifically built to replace the original manufacturer Lennox X6660 filters. Completely constructed - no forming or combs required. MERV classified to ASHRAE ratings ensuring function to the level of the original brand Lennox X6660 filter. Notice: Sample filter picture shown is not to scale and is shown for construction only. OEM names and Lennox X6660 identifier displayed for filter style identification only.
Shipping and Returns
- Our current lead times are 6-8 business days for standard filters (1"-6" thick sizes), and up to 10-14 business days for made-to-order filters (non-standard and 0.5" sizes). Delivery normally takes another 1-3 days depending on location.
- 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.