Rx SelaSpot (selamectin) Once-A-Month Flea & Heartworm Topical Solution for Dogs Size:20.1-40 lbs Contoured design follows the horse’s

Contoured design follows the horse’s natural shape for a better fit

Ginat: For larger built dogs up to 40 lb

Silicone Dioxide

May cause hypersensitivity or anaphylactic reactions in rare cases

Rx SelaSpot (selamectin) Once-A-Month Flea & Heartworm Topical Solution for Dogs Size:20.1-40 lbs Contoured design follows the horse’sRx 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