Rx SelaSpot (selamectin) Once-A-Month Flea & Heartworm Topical Solution for Dogs Size:40.1-85 lbs Apply in and around livestock

Apply in and around livestock facilities such as horse stables

1–20 lbs: 5 drops

2¼" Marquench hardened blades for strength and edge retention

Each serial is tested for purity

Infused with natural cedarwood and peppermint oils

Rx SelaSpot (selamectin) Once-A-Month Flea & Heartworm Topical Solution for Dogs Size:40.1-85 lbs Apply in and around livestockRx 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