electrolux purei9 robot vacuum replacement filter
[{'entity': 'BRAND', 'value': 'electrolux', 'span': [0, 10]}, {'entity': 'PRODUCT_NAME', 'value': 'purei9', 'span': [11, 17]}, {'entity': 'CORE_PRODUCT_TYPE', 'value': 'robot vacuum', 'span': [18, 30]}, {'entity': 'ATTRIBUTE', 'value': 'replacement filter', 'span': [31, 49]}]
electrolux purei9 robot vacuum replacement filter