• 1. 蚤不到: Frontline | Fipronile | flea less than
• 2. 蚤不到喷剂: FRONTLINE Spray

• 1.跳蚤和壁虱必须要咬到我的宠物，蚤不到才会发生作用吗？
  Do fleas and ticks have to bite my pet for FRONTLINE to work?
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