Vacuum models are fully compliant to HTM 01-05 best practice guidelines ? and also have a non vacuum cycle for real flexibility of use (A vacuum cycle is required for porous, pouched or hollow instruments; a non vacuum cycle is suitable for loose, solid instruments)Available with 22 litres capacity chamber ? choose the one that suits your requirementsFeatures a single use water system ? removing debris every cycle, thus reducing wear and tear on your instruments ? whilst the direct feed option saves time and money Quiet, touch button operation and wide choice ofcycles for maximum efficiency and ease of use Superb engineering, design excellence and superior quality ? the Advance is made in the UK and comes complete with a two year warranty* for real peace of mind every unit is fully tested and validated before leaving the factory Can be used with either a data logger or printer for easy, recordable data capture ? essential for compliance.* Excludes door gasket, internal furniture, air filter and consumables. Now featuring automatic thermal reset ? no lengthy ?down time? due to the occasional accidental overload