Provides 40–60 hours of runtime per charge

or antihistamines depending on severity

¾" nylon web construction for durability and strength

offering ease of use and long-lasting durability

5-11 lb - 1 tablet

Rx SelaSpot (selamectin) Once-A-Month Flea & Heartworm Topical Solution for Dogs Dog Size:85.1 - 130 lbs Provides 40–60 hours of runtimeRx SelaSpot (Selamectin) Once A Month Flea & Heartworm Topical Solution for Dogs Compared to Rx Revolution SelaSpot for Dogs is a prescription monthly topical parasite preventive that provides broad spectrum protection against a variety of internal and external parasites. Formulated with selamectin, this convenient once a month treatment helps protect dogs from fleas, heartworm disease, ear mites, sarcoptic mange, and American dog ticks, making it an