An engine blower includes: an engine integrated with a volute for driving a fan; a ventilation tube communicated with the volute; and a handle mounted to the ventilation tube. The neck extends from the first portion of the base. The spill tables may allow for faster retrieval of previously evicted data because the home registry does not need to be referenced if requested data is listed in the spill table. The filter cushions are designed to conform to the air filter enclosure to ensure an effective seal between the enclosure and the filter. The validating structure includes structure for calculating, from at least one operating parameter of the device, a parameter representing a sterilizing value for the sterilization treatment, and structure for comparing the calculated parameter to a threshold value corresponding to the sterility of the liquid.