Revolution: Dog Large 20.1-40kg - 3 pack Collar Perfect size for medium to

Perfect size for medium to large bird species

Easy to hang

Promotes positive chewing behavior

Transition guide

Revolution: Dog Large 20.1-40kg - 3 pack Collar Perfect size for medium toAdministering Revolution Teal Large 20 40kg to your large size dog is like placing a thug with a baseball bat at every window and door of your house. Except in this case the house is your dog and the baseball bat is selamectin, an active ingredient specifically designed for pets. Selamectin covers as many potential intruders as you can think of, including fleas, flea eggs, sarcoptic mange, lice, ear mites, heartworm, roundworm, hookworm and tapeworm.