Amazon.com : Comfort Zone 3 Refills Cat Calming Pheromone Diffuser Refills (90 Days) for a Calm Home | Veterinarian Recommended | De-Stress Your Cat and Reduce Spraying, Scratching, & Other Problematic Behaviors : Pet Supplies
Comfortis™ (spinosad)
Advocate (Advantage Multi) Spot-on For Large Cats over 4 kg (8.8 lbs) | PetVetsOnline (Wolf Global LLC - The Flea Treatment Store)
Comfortis Medicine for Dogs 5-10 lbs (2.3-4.5kgs), pink, 6 pack
Revolution Plus Cat & Kitten Small 2.8 - 5.5lbs Yellow 3 Pack CanadaVet
Comfortis for Dogs: Uses, Dosage, Side Effects - Drugs.com