{"niche":"哪些电动精油香薰扩香器的水箱容量最大？","description":"Which electric essential oil diffusers have the largest water tanks?","products":[{"brand":"BlueHills","model":"BlueHills Premium 1000 ML Large XL Essential Oil Diffuser with Remote Humidifier - Dark Wood Grain - N6 (N6-1000ML)","price_gbp":31.04,"origin_country":null,"specs":{"timer":"1 hour, 3 hours, 6 hours or continuous","auto_off":"Auto-Off Safety Switch that prevents overheating when water runs out","capacity":"1000","humidifier":"Yes"},"confidence_score":null,"sources":[{"label":"bluehills.io","url":"https://bluehills.io/products/bluehills-premium-1000-ml-large-xl-essential-oil-diffuser-with-remote-aroma-h","currency":"USD","source_country":"US","price":40.99,"price_gbp":31.04,"scraped_at":"2026-06-24T22:46:02.697051"},{"label":"bluehills.io","url":"https://bluehills.io/products/bluehills-premium-1000-ml-large-xl-essential-oil-diffuser-with-remote-aroma-h","currency":"USD","source_country":"US","price":40.99,"price_gbp":31.04,"scraped_at":"2026-06-24T22:46:04.909082"}],"summary":"This BlueHills diffuser has a large 1000 ML water tank with remote control and ultrasonic mist, designed for continuous use or timed sessions. It includes humidifier functionality and an auto-off safety switch when the water runs low, plus LED mood lighting with multiple colors. It suits people who want a large-capacity diffuser that can run for long periods and also add moisture to a room.","ideal_for":"It has a 1000 ml tank, and the product description notes it can run overnight and longer, making it one of the larger-water-tank electric diffuser humidifier options."},{"brand":"Pure Guardian","model":"SPA325CA","price_gbp":48.94,"origin_country":null,"specs":{"timer":"continuous or intermittent diffusing and 3 mist speeds","auto_off":"shuts off when empty","capacity":"200","humidifier":"ultrasonic humidifier technology disperses a cool, fine mist"},"confidence_score":null,"sources":[{"label":"The Home Depot","url":"https://www.homedepot.com/p/Pure-Guardian-SPA325CA-Ultrasonic-Cool-Mist-Glass-Aromatherapy-Essential-Oil-Diffuser-SPA325CA/302048728","currency":"USD","source_country":"US","price":64.62,"price_gbp":48.94,"scraped_at":"2026-06-24T22:46:02.697051"},{"label":"The Home Depot","url":"https://www.homedepot.com/p/Pure-Guardian-SPA325CA-Ultrasonic-Cool-Mist-Glass-Aromatherapy-Essential-Oil-Diffuser-SPA325CA/302048728","currency":"USD","source_country":"US","price":64.62,"price_gbp":48.94,"scraped_at":"2026-06-24T22:46:04.909082"}],"summary":"Pure Guardian SPA325CA is an ultrasonic cool-mist essential oil diffuser with a 200ml water reservoir and a Murano-style hand-dipped glass design. It uses ultrasonic technology (no heating element) to continuously diffuse essential oil aroma, with options for continuous or intermittent diffusing and 3 mist speeds, plus a night light. It is designed for longer run time thanks to the larger 200ml tank and automatically shuts off when empty.","ideal_for":"适合希望购买最大水箱容量的电动精油扩香器的人，因为 SPA325CA 的水箱为 200ml，容量比许多 100ml 级别的香薰扩香器更大。"}]}