Air fryers; Air purification units; Automatic flush valves for toilets; Bed warmers; Electric saucepans; Electronic facial steamers; Fans for air conditioning apparatus; Fitted fabric cover for a garment steamer head; Hand dryers; Humidifiers; Hydrogen-generation equipment and components, namely, hydrogen generators, hydrogen purifiers, hydrogen purification membranes, fuel processors, and steam reformers; Water filters; Water sterilizers; Water purification machines; Air filtering installati...