Charming Cast Iron Kettle Humidifier steams away dry air. This is the way Grandma used to do it. She’d fill a cast iron kettle with water, set it on the stove and let it steam. Worked wonders for dry skin in the wintertime. If Grandpa was feeling stuffy she’d throw in a eucalyptus leaf or two. This Kettle looks a lot like Granny’s… heavy-duty cast iron construction, metal coil handle… a reminder of simpler times. Holds 2 1/2 qts. Includes lid. Cast Iron Kettle Humidifier.