The Feliway Optimum Refill is to be used with the Feliway Optimum Diffuser. It calms cats better due to a new feline pheromone complex that helps them cope with our modern lifestyles.
Seresto Flea and Tick Collar for Cats is for cats weighing up to 8kg. Offering up to 8 months of continuous protection against fleas, ticks, larvae and lice. PLEASE NOTE: We can only dispense one year's worth of this product per one registered pet.