Home Slickdeals Coway Airmega 400 Smart Air Purifier with 1,560 sq. ft. Coverage, White... Slickdeals Coway Airmega 400 Smart Air Purifier with 1,560 sq. ft. Coverage, White $350.96 at Amazon By ARCOM - 23 August 2021 53 0 SHARE Facebook Twitter Go to the deal page: Coway Airmega 400 Smart Air Purifier with 1,560 sq. ft. Coverage, White $350.96 at Amazon