Coway Airmega 400 HEPA Smart Air Purifier for $349

Amazon has the Coway Airmega 400 True HEPA Smart Air Purifier (Graphite) available for $349. This is a significant price drop from its original list price of $749, representing a 53.4% discount and a savings of $400. The deal is notable given the product's high capacity for large rooms up to 3,120 sq. ft., its advanced filtration system, and smart features that optimize energy efficiency. The previous price at Amazon was $400, so this sale provides a compelling reduction from the typical pricing, especially considering its all-time low of $395.49 across all retailers. Shipping is free, making this a convenient and substantial deal for those seeking a large-room air purifier with smart, energy-efficient operation.