intelligent style [60 square meters purification]](智能款【60平米净化】) display screen models [80 square meters purification]](显屏款【80平米净化】) upgraded model [120 square meters purification]](升级款【120平米净化】) efficient model [150 square meters purification]](高效款【150平米净化】) flagship model [180 square meters purification]](旗舰款【180平米净化】) intelligent style + [two filters for standby]](智能款＋【两个滤网备用】) display screen + [two filters spare(显屏款＋【两个滤网备用) upgraded + [two filters for backup]](升级款＋【两个滤网备用】) efficient model + [two filters for standby]](高效款＋【两个滤网备用】) flagship + [two filters for standby]](旗舰款＋【两个滤网备用】)

remaining day: contact customer service to get 10 yuan coupon(剩余一天：联系客服领取10元优惠券)