买一箱送一箱

乐净石官方售价 278 元 / 箱，现推出 “买 1 箱送 1 箱” 活动，每箱附赠 2 个甲醛检测盒。用户购买 1 箱，实际到手 2 箱正装乐净石及 4 个甲醛检测盒，方便随时检测新房甲醛浓度，直观感受到产品治理效果。

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