This BARNSTEAD THERMOLYNE Thermo Kool Dri-Bath Heater Chiller DB82225 is in real good condition and guaranteed to functions 100%. It came from a local lab that was upgrading equipment and we can accept pay pal or your credit card. Please contact me with any questions. Digital timer. Dual set points. Precise temperature control Interchangeable blocks give you the flexibility to use a variety of microcentrifuge tubes; including 1.5 ml, 0.5 ml and 0.2 ml. This unit will also hold both 1.5 ml and 0.5 ml tubes simultaneously using 1/2 size blocks. Optional in-situ plate allows you to carry out portions of your in-situ procedures and store your slides on the bench Digital timer eliminates variables in your timing process. Audible alarm sounds when finished. Dual set points allow both a hot (amb. to 70C) and cold (amb. to -10C) temperature to be stored in memory. Digital readout displays temperature in 0.1C increments Thermo Kool replaces ice buckets, eliminating a source of contamination when transforming or preparing competent cells. Perform ligations without the need for cold rooms or refrigerators. Store restriction enzymes or samples on the bench while you work. Various molecular biology experiments. Low temperature DNA protein precipitations Timed enzyme assays.