每盒3支,每支有效地殺滅跳虱,牛蜱及蚊子長達30天有效

• One package contains 3 monthly treatments
• For use on Dogs 15-30lbs
• Hartz Ultra guard Plus Drops feature the patented Pro-cession Flo® applicator system that penetrates pet hair allowing for application of treatment at skin level
• Use only on dogs or puppies 12 weeks of age and older
• Read entire label before use
• Monthly treatment kills and repels fleas and ticks for up to 30 days
• Kills mosquitoes, plus kills and prevents flea eggs