Description
Actual size is 15.88 x 24.88 x 4.38. Accumulair brand, 16x25x5 Lennox X6660 compatible whole house filters, specifically designed to be an alternative to the original brand Lennox X6660 air filters. Completely built - no forming or combs required. MERV rated to ASHRAE 52.2 test grades establishing function equal to the original brand Lennox X6660 filters. Photo: The sample filter picture shown is not to scale and is shown for construction purposes. OEM names and Lennox X6660 P/N are used for filter replacement purposes only.