2X Feliway Optimum 30 Day Refill x6 Value Pack | 48ml Optimum Refill 6
✔️Advanced Pheromone Formula – FELIWAY’s most advanced and effective calming solution. ✔️Easy to Use – Designed for use with the FELIWAY Optimum Diffuser (diffuser not included). 2 × Boxes of FELIWAY Optimum Refills.