FELIWAY
FELIWAY CLASSIC Diffuser Refill - Use with FELIWAY Cat Diffusers - Comforts Cats at Home & Helps Control Unwanted Urine Spraying, Cat Scratching and Hiding (30 Day Supply, FELIWAY Refill C238)
FIKPTE
Cat Calming Diffuser 4 in 1 Multicat Calming Pheromones Diffusers Relief Stress Anxiety Fighting Scratching 60 Days Calm Relaxing Pheromone for Cats kit 48ml Refill Fits All Common Diffuser Plug in
FELIWAY
FELIWAY Friends Diffuser Refill 3-Pack (FELIWAY MultiCat) - Use with FELIWAY Cat Diffusers - Helps Reduce Fighting, Tension and Conflicts Between Cats in The Home (90 Day Supply, FELIWAY Refill D894)
Sentry
Sentry Calming Diffuser Refill for Cats, Reduces Stress and Bad Behavior, 30-Day Release