Maybe one of these similar products would be of interest:-

Feliway Classic 30 Day Refill, 48ml Feliway Classic Refill For Plug In Anxiety Relief Pheromone Diffuser For Cats, Calm Your Cat And Reduce Behavioural Issues And Stress With Feliway Classic

Sanicat - Classic cat litter with Aloe Vera | 7-day odour control | Fast absorption | product for your pet’s hygiene | Keep Your Home Clean | 4L capacity

Feliway Classic 30 Day Starter Kit | Plug In Anxiety Relief Pheromone Diffuser For Cats With 48ml Feliway Classic Refill | Calm Your Cat And Reduce Behavioural Issues And Stress With Feliway Classic

Feliway Classic 20ml Spray, 20ml Anxiety Relief Feliway Classic Pheromone Spray For Cats With Approximately 16 Uses, Calm Your Cat And Reduce Behavioural Issues And Stress With Feliway Classic

Feliway Classic 60ml Spray, 60ml Anxiety Relief Feliway Classic Pheromone Spray For Cats With Approximately 50 Uses, Calm Your Cat And Reduce Behavioural Issues And Stress With Feliway Classic