Zodiac FleaTrol Flea and Tick Collar for Large Dogs necks up to 25". For dog over 12 weeks of age protection from adult fleas and ticks.

• Kills fleas which may transmit tapeworms
• Works in as little as 24 hours
• Works even after temporary wetting
• Provides 7 months of protection

Continuous action begins the moment the collar is applied and continues even when wet. A variety of sizes ensure proper flea and tick control.

Measure circumference at base of dog's neck.

Active ingredient: Propoxur.