Four Comfort Zone MultiCat Pheromone Diffusers

4 Comfort Zone MultiCat Pheromone Diffusers The diffuser emits a continuous, fragrance-free, drug-free mist that mimics natural cat pheromones—signaling safety and familiarity. Feeling safe calms your cat and promotes positive behavior. The diffuser covers approx 650 square feet. Works with Comfort Zone and Feliway refills