Open circulator systems to meet your research purposes are available at VWR. Select an immersion circulator to create a water bath in your own vessel, or purchase an open bath tank through VWR. Heated and refrigerated circulating bath systems are offered in a variety of sizes and feature precise temperature control with the ease of a touch screen. Circulating open bath systems are constructed of insulated stainless steel or polycarbonate resin. Appropriate accessories for most models can be purchased through VWR.