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? Does the AD4000k come with wheels? Is there a smart or connected version of the AD4000k?
