
Our Products
Why Choose ProMax?
The ProMax collar with its unique patented Comfort Technology structure achieves the maximum comfort your dog deserves while giving them the protection you can trust to be effective. Hartz deeply treasures the bond between you and your pet, and we are committed to providing you with products designed to protect and rid your pets of fleas, ticks and mosquitoes year-round. Make your pet one of the 5 million furry family members we help keep pest-free and happy every year!
ProMax
Has It All
Soft & Flexible texture
Our Ingredients
Active ingredients are formulated into the collar and are slowly released over your pet’s skin surface for up to 6 months. With 2 collars, that's up to 12 months of consecutive protection. Suitable for use on dogs and puppies 12 weeks or older, with neck sizes up to 26 inches.