The TriOak Flea & Trick Collar For Cats 4 Pack is a monthly supply of flea collars specifically designed for cats. With an EPA registration number of 93207-2, this product is manufactured in the United States by TriOak. This 32-month sealed supply includes 4 units of flea collars to keep your feline friends protected from pesky parasites. Perfect for pet owners looking for reliable and effective solutions to control flea and tick infestations on their beloved cats.