Boekel Concentric Ring Water Baths are ideal whenever constant, gentle heat is required. Two power settings, one for rapid heat up and one for reduced power consumption. Supplied with water level regulator and ring sets. Four or eight opening models are available. Hand crafted from stainless steel to ensure a long service life. Heavy duty 3" legs are permanently attached to the body. Comes complete and ready to use, just add water and plug in. (230V units are supplied with continental European plug.) 2 year warranty.