The 2540MK Manual Autoclave offers all the proven, dependable features of a manual autoclave, with the added benefit of reducing the total heat up time. This autoclave is the perfect choice for quick instrument turn-around or a high volume office. Speed and reliability are accomplished without sacrificing load size. 1 year parts and labor warranty. Model 2540MK requires a voltage between 220V and 235V for proper operation. When applicable a buck/boost transformer (0.5kVA) may be required.