UPC 705353855689

Check the listing for details. Optimum, Enhanced Calming Pheromone 30-Day Refill – 2 Pack. Condition: New. Listed at 74.17 USD. Simply plug into an open outlet with 4+ feet of space to diffuse, with vents pointed upright. Safe to use - while pheromone analogs may help your cat, they won’t affect humans or other pets. To maximize effectiveness, use one diffuser per 700 sqft, replace the vial once a month, and the diffuser every 6 months.

$37.09
$74.17