How much do the AD4000 replacement filters cost? June 20, 2025 19:15 A full replacement filter set for the AD4000k is priced at $89.95 + S/P fee. Related articles How often do the AD4000 filters need to be replaced? How noisy is the AD4000k? How much do replacement filters cost? Is there a smart or connected version of the AD4000k? Does the AD4000k come with wheels?
