一个怡口一个3M，怡口的是纯水机，3M是净水机：
怡口609+怡口800GPRO纯水机+3M BFS1-100:
http://detail.taobao.com/meal_detail.htm?spm=a220o.1000855.w5003-3193021580.9.XXKKwP&meal_id=86106960&seller_id=363194856&scene=taobao_shop
3M SFT150+3M净享2500净水机+3M BFS1-100:
http://detail.taobao.com/meal_detail.htm?spm=a220o.1000855.w5003-3193021580.7.XXKKwP&meal_id=39784238&seller_id=363194856&scene=taobao_shop
家里一个卫生间，人口2-4人，地暖自采暖，哪个更合适些？ 后期维护，耗材的费用哪个高?
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