newegg offers the Rosewill 4-Liter Water Boiler and Warmer
, model no. R-HAP-01, for $39.99. Coupon code "RWEM2507" cuts it to $29.99
. With free shipping
, that's tied with our mention from last month and the lowest total price we could find now by $13. It features four temperature settings, an auto-clean setting, and 360° rotatable base. Deal ends July 23.