Check the listing for details. (2) TriOak Cat Calming Diffuser - Feline Anxiety Relief - Pheromone Diffuser 2-1. Condition: New. Listed at 21.95 USD. Introducing the TriOak Cat Calming Diffuser, a reliable and efficient solution for feline anxiety relief. This diffuser kit features a 2-1 unit quantity and is designed to release calming pheromones into your cat's environment. The brand, TriOak, is well-known for producing high-quality pet products, and this diffuser kit is no exception. The product is easy to use and comes with a plug-in design that allows you to diffuse the pheromones anywhere in your cat's living space. Whether you have a nervous or anxious cat, this diffuser kit is an excellent investment in their well-being. It's perfect for use in any cat owner looking to create a calming and relaxed atmosphere for their feline friend. ** This listing is for 2 total units. Each box contains (1) plug in diffuser and (1) 48ml refill.